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If you disconnect the brown wire, the PCM detects an open circuit in the field wire. Either condition will turn on the Check Gauges light. The gauges (voltage gauge) will read normal because you've installed an external regulator and the gauge reads the battery voltage, not the voltage from the red wire. It will not trigger the check engine ...The Number 1 wire on the 10- or 12-SI is connected to the charge warning light on the dash. The Number 2 wire is what is called the voltage sensing wire. When converting from an external voltage regulator to an internal such as the 12-SI, many enthusiasts merely connect the Number 2 voltage sensing wire directly to the output …damage to the voltage regulator. Install BROWN Ignition Wire. The BROWN Ignition Wire #3 in diagram at right provides ON/OFF voltage for the regulator. This wire is . included in the Ford-style plug at the regulator end of the wiring harness. The other end of the wire is fitted with a butt connector.Description CHRYSLER C8312 SOLID STATE EXTERNAL VOLTAGE REGULATOR (Reference nos.35-301, 35301, vr733, 19-5310-0, 1953100, C8313) The C8312 Solid State Regulator (12 Volt, A-Circuit, 14.3 Vset, red plug connector) is used on (1970-1987)Chrysler, Dodge and Plymouth vehicles with a Chrysler Round Back, Square Back, or Revised Square Back ER/IF (external regulator/internal fan) Alternators.DB Electrical AFD6001 Voltage Regulator Compatible With/Replacement For Ford Lincoln Mercury Car, Truck 1964-1987, External, Mustang 1965-1986 130506 D9PF-10316-AA D9PZ-10316-A E2AF-10316-AA. 4.4 out of 5 stars. 132. 100+ bought in past month. $18.06 $ 18. 06.The setup from truck B had an external condenser mounted on the voltage regulator and was plugged into the wiring harness and another one mounted on the front of the valve cover and connected to the neg. coil terminal. ... Alternator/External Voltage Regulator 72fordf100. Bigpain2000. 1967 - 1972 F-100 & Larger F-Series Trucks. 26. 08-31-2015 ...This technology is both economical, serviceable, and easy to install to replace the VR that lives inside the power module. Our external voltage regulator solution is specifically designed to be used on turbo Dodge automobiles built from 1983-1987 and that utilize the logic module/power module engine and charging system management system. Our ...Description. Adjustable 91102R external voltage regulator w/ 2 pin alternator harness combo. This unit will work with most OEM and MechMan Chrysler units from 1999 - 2006, and will allow the user to adjust charging voltage anywhere from 13.8 to 19.0 volts. Please compare the plug on your alternator to verify compatibility.82 posts · Joined 2007. #1 · Nov 23, 2008. Ok boys somebody chime in please.I have been told by numerous people that i can put a external voltage regulator on my 2001 ram 2500 diesel.My Pcm is cooked.I have hooked up a regulator from a 87 dodge ram as i was told by several dodge experts,at idle i charge 14.5 volts but off idle is 17 …14 Gauge wire (I color code mine red, black and green for good ground.) Screws to hold the regulator in place. Electrical tape. Wire Nuts (I solder the connections together, but some people use wire nuts.) How to Build an External Voltage Regulator for Dodge, Jeep, Chrysler. Any Dodge external regulator from 1971-1989 is wired the same.Less control over voltage regulation compared to external voltage regulators: In conclusion, the 2 wire alternator is a reliable and simple option for charging the battery and powering the electrical components in older vehicles or custom applications. By following the proper wiring guide and connecting the B and L terminals correctly, you can ...Dec 2, 2020 · Voltage regulators deliver constant, stable voltage to sensitive electronics. Voltage regulators take an input voltage and create a regulated output voltage regardless of the input voltage at either a fixed voltage level or an adjustable voltage level. This automatic regulation of the output voltage level is handled by various feedback techniques.External voltage regulator Hello, I have an 89 1st Gen D250 and havre also experienced repeat failures of the external VR. The first failure was 1.5 years ago and it was the original VR. I have gone through 4 aftermarket VR's. Bruz_cruzz, FYI I have found the correct MOPAR VR for my 89 at "cheapestfactoryparts.com" its a Dodge Dealership in Ohio.An alternator external voltage regulator is an important component in a vehicle's charging system. Its main function is to regulate the voltage output of the alternator, ensuring it stays within a specified range. This is crucial in maintaining a stable and reliable electrical system in the vehicle.Voltage regulator. Charging System Engine Electrical System. The Datsun 1200 Alternator uses an external voltage regulator. This is a precision device with magnetic coils and moving contact points. They generally last about 10 years of normal driving. B110 regulator uses spade terminals, and so is different from B210 which uses round pins.This project is driving me crazy! 1973 - 1979 F-100 & Larger F-Series Trucks - 1978 f150 alternator/regulator wiring - I have a 1978 F150 351 motor that has a dura spark ignition module, alternator, and external voltage regulator. I noticed tonight on the voltage regulator there are no wires hooked to the I terminal.Aug 28, 2023 · If voltage output remains at the same level (low, for example) as in your initial test (Section II, step 6), most likely you have a faulty alternator. The next video shows you how to test an external voltage regulator and how to bypass it.Why should you have an external regulator on your boat? Sign up for the PYS Newsletter: https://confirmsubscription.com/h/r/2EC1B4B1139EB78D SUBSCRIBE to th...We've taken our Extreme Duty Dual Rectifier version of the CS-144 type alternator which normally comes as an internally voltage regulated alternator, we remove the internal regulator then attached a terminal strip to the rear of the alternator allowing you to connect an external voltage regulator. These units are setup for a B circuit voltage ...I have a voltage regulator on the firewall. Yes I meant 1 field. Yes I am looking at Summit racing for a new alternator. I see a lot of them are internal regulator alternators. I did find a 1 field 80 amp alternator external regulator, I may just buy it.The voltage regulator is in fact integrated into the PCM. You can save getting another PCM by going to an external regulator. There is one that has an added benefit of turning off the CEL (called FRM) which may be a problem with some so check that.All GM external regulators work but are subject to similar issues…bad grounds. The GM external has a grounding tab underneath the regulator and it is almost never used. Run a ground wire from the alternator to this tab to extend the life of the regulator. That's also true for the Ford regulators and is important for regulator life.3) Transistorized Car Alternator Regulator Circuit. Referring lo the nest solid-state alternator voltage current regulator diagram below, V4 is configured like a series-pass transistor which regulates the current to the field of the alternator. This transistor along with the two 20 amp diodes are clamped on an external heatsink.This month, we will follow up with both integral and external 12-volt regulators used from the mid-1950s until the 1980s. Initially, 12-volt systems still used generators to charge the battery and furnish power while the vehicle was in use. Technology changed with the advent of the alternator. General Motors moved the regulators inside the ...Adjustable External Voltage Regulator Kit for Jeep, Dodge, Chrysler (No FRM) 06+ may require modified driver. Message us with detail. NQSmart. (2597) 98.8% positive. Seller's other items. Contact seller.External Regulator Plug Positive Battery Sense (Required for Internal Regulator Only) Isolated Ground Terminal MUST be connected to system ground ... (MC-TS-A) allows your MC-614 voltage regulator to monitor your alternator temperatures and limit output if safe operating levels are exceeded. The MC-614 uses active temperature regulation toAfter determining whether the external regulator is bad or the alternator is bad, or if by now they're BOTH bad, consider the following: New external regulator- $33. 61A alternator for external regulator system, '64 Malibu V8- $40-$60. ... In the case of voltage regulator contacts, I have less qualms about carefully dressing them to give a …The first step in wiring a 4 pin regulator is to identify the pins and their functions. Typically, a 4 pin regulator has pins labeled as IN, OUT, ADJ, and GND. The IN pin is where the input voltage is connected, which is usually from a power source. The OUT pin is where the regulated output voltage is obtained, and it is connected to the load ...May 12, 2022 · Popwarhomie said: If your current alternator is an internal it will have to be sent back and changed to external setup. Mechman can set it up to have a 14.8 volt max output without having to go external regulator. Oh OK. That kind of ***** having to send it back. It is what it is though.the other electrical components. While voltage regulators are most commonly used for DC/DC power conversion, some can perform AC/AC or AC/DC power conversion as well. This article will focus on DC/DC voltage regulators. Types of Voltage Regulators: Linear vs. Switching There are two main types of voltage regulators: linear and switching. Both ...Duralast Voltage Regulator VR1246. Sponsored. Duralast Voltage Regulator VR1246 $ 51 49. Part # VR1246. SKU # 860243. Limited-Lifetime Warranty. Select store for pickup availability . Standard Delivery by May 25. Add TO CART. Sponsored. Duralast VR4 Voltage Reducer. Sponsored. Duralast VR4 Voltage Reducer $ 133 99.The GM External Voltage Regulator Wiring Diagram is a powerful tool that can help you configure and troubleshoot vehicles with General Motors electronic parts. This diagram provides a clear explanation of the connections and configurations required to get the most out of your vehicle's electrical system. With its easy-to-follow diagrams, it's ...external voltage regulator install help. Jump to Latest Follow 44K views 16 replies 4 participants last post by Mopar1973Man Dec 31, 2012. M. Marky Mark Discussion starter 76 posts · Joined 2009 Add to quote; Only show this user #1 · Dec 23, 2012. I'm going to install an external voltage regulator and will be using …The average voltage regulator replacement cost is between $70 and $400, depending on the car model and labor costs. A voltage regulator costs $20 to $200, and the labor costs $50 to $200. Depending on which vehicle you drive, replacing the voltage regulator can mean replacing the entire alternator or just the regulator.Warning lights, unpredictable engine performance and dimming or pulsating lights are all signs of a faulty voltage regulator. A number of symptoms can develop if the voltage regula...This new thread is about Alternators with Internal Voltage Regulators and is the follow up on my other thread about External Voltage Regulators: - Voltage Regulator (ext.) / How it works If you've read my other thread you can skip this chapter and go to the 2nd posting. If you came directly to this thread, read this chapter on the history of the VR for better understanding how it works.In today’s digital age, where we rely heavily on technology for our work, personal files, and memories, the importance of regularly backing up files cannot be overstated. One of th...A shunt regulator is used for low-powered circuits. It works by directing the current away from the load and sending it into the ground. It provides a path from the input voltage to a variable resistor which is connected to the ground. It has a very low efficiency but since the wasted current has a very low value, it is neglected.The voltage regulator is typically located inside the alternator and is either integrated into the alternator or mounted externally. In summary, voltage regulation is a critical component of an alternator, ensuring that the electrical systems in a vehicle receive a steady voltage.WHERE IS THE VOLTAGE REGULATOR? My battery light was on for a couple days, then it wouldn't start. Auto zone tested the batteries and they were bad; replaced both. ... built into the alternator its not external . 1999 F250 XLT 2WD 7.3, 6 spd, South Bend Con OFE, Detroit Truetrac, Tony Wildman tunes, Autometer Boost&Pyro, AFE Stage II, 4" MBRP ...Voltage Regulator for Delco type 21Si and 22Si Series Alternators. 12 Volt, A-Circuit, 14.0 Voltage set point, and FlatCo Temp Compensation # D22 - Voltage Regulator For Delco Type 20Si, 21Si, 22Si, 26Si, 27Si/Type 200, 30Si, 33Si, 34Si, 35Si, 36Si Series Alternators - 12 Volt, 14.5 Vset02 Dodge external voltage regulator install/bypass wiring diagram. Jump to Latest Follow 10K views 3 replies 4 participants last post by DODGEBOYS Dec 6, 2022. Mad Max Discussion starter 15166 posts · Joined 2005 Add to quote; Only show this user #1 · Dec 6, 2022. Can anyone confirm this diagram is correct for installing an external voltage ...From the factory your Jeep Grand Cherokee ZJ 5.2 has the voltage regulator in the computer, they tend to fail and require you to buy an expensive computer to...An Automatic Voltage Regulator (AVR) is an essential component in generators that ensures a steady and consistent output voltage. It controls the excitation current fed into the generator field winding to maintain a constant voltage even when the load or operating conditions change.The voltage regulator is typically located inside the alternator and is either integrated into the alternator or mounted externally. In summary, voltage regulation is a critical component of an alternator, ensuring that the electrical systems in a vehicle receive a steady voltage.External Voltage Regulator Install. Jump to Latest Follow 21 - 25 of 25 Posts. 1 2. B. bobloes · Junior Member ... Voltage Regulator Conversion Help Hello, I have a 1982 dodge cummins diesel crew cab 4x4 conversion I am finishing. The electrical is last major hurdle. I hooked up the 1994 cummins alternator to the 1982 dodge wiring.5. Easy installation. The wiring diagram for the 12 volt voltage regulator is simple and easy to follow. It typically includes clear instructions and color-coded wires for ease of installation. This allows even those with limited wiring experience to successfully install the regulator without any hassle. 6.Is the battery in your car or truck going dead? Is the battery meter reading low? In this video we look at how you can test your classic Mopar charging syst... There is a voltage regulator in the computer. If it Installing External Voltage Regulator. I have a 2External Voltage Regulator 08 Nitro Troubleshooti

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MechMan Adjustable External Voltage Regulators. MechMan .

Sep 10, 2014. #2. Going from the 76 external reg to an FJ60 solid state internal reg is in my opinion, a good idea. The internal regulator has no points to burn, and much simpler wiring. You also go from 40 amps to 60 amps capacity. Andrew >>KI6MIE<<. 1971 FJ-40 Rubicon tested, 85 2F, SOA, SM420, Orion/custom twin sticks by Georg. 1976 FJ40 gone.Buy DB Electrical AFD6001 Voltage Regulator Compatible With/Replacement For Ford Lincoln Mercury Car, Truck 1964-1987, External, Mustang 1965-1986 130506 D9PF-10316-AA D9PZ-10316-A E2AF-10316-AA: Voltage Regulators - Amazon.com FREE DELIVERY possible on eligible purchasesPart of this was removing the external voltage regulator that was cooking the batteries at 14.8V. So I installed a Transpo internal voltage regulator and now the battery voltage is being held 12.2-12.4 volts when running. Voltage jumps up a bit when I shut the truck off, it will go to 12.7 or so.A voltage regulator circuit is installed between the supply voltage (input) and the electrical load (output). Due to some disturbances, the input voltage may either increase or decrease from its rated value. The voltage regulator acts accordingly to nullify the effect. Consider these two cases:Adjustable External Voltage Regulator - Alternator Models Aftermarket IB301A - 105443 + More Images. $51.95 EACH. In Stock. Be the first to write a review! Ask us a question. Item Number. 105443. Brand. Aftermarket. Mfr Part Number. IB301A. Brand Classification. AMR. Units Per Car. 1 ...EEEEE 10 Values 50 Pcs Linear Voltage Regulator Positive External Voltage Kit LM317 L7805 L7806 L7808 L7809 L7810 L7812 L7815 L7818 L7824 TO-220 Package Adjustable Voltage Regulator Assortment Kit. 4.6 out of 5 stars. 143. 100+ bought in past month. $13.99 $ 13. 99.Voltage regulator for Delco CS130 series alternators. Alternators By. Quick Start Automotive Electric™ ... # ERCK - External Voltage Regulator Kit, Chrysler Dodge Jeep Alternators, Heavy Duty Regulator # W3013 - HD Relay with Plug Kit, with 12 gague power wire, 5 Terminals, SPFor Use with External Regulator Kits ...The external voltage regulator wiring diagram is a schematic document that outlines how the external voltage regulator should be connected to the system. This diagram contains detailed and precise information about how the wires should be routed, and how the electrical signals should pass between the regulator and the system.Jan 26, 2014. #1. I've had three failed voltage regulators since making the Hemi swap. First died when I first completed the swap. Second died 2 months ago when at a HPDE event at Texas world speedway. Third died yesterday when running with lights after a HPDE day. I'm guessing either the duralast part isn't very good, or the 160 amp alternator ...In this video, you will learn 5 symptoms of a bad voltage regulator. Watching this video will help you diagnose whether it is time to replace your voltage re...I turn the engine off and turn off the headlights and blower motor and the charge on the battery slowly trickled down. It would drop about 1/100th of a volt every 2 seconds. It did this until it got to about 12.95V and then the rate of drain slowed. In the past 5 minutes or so its gone from 12.92V to 12.89V according to my digi multimeter.External application of a motor start capacitor on a single-phase voltage regulator COOPE OWER SERIES Voltage egulators MN225063EN Effective arch 17 ... A step voltage regulator utilizes a capacitor to start and run the tap-changer motor. A number of regulators operating in the field have internally mounted, under-oil motor capacitors. ...This external voltage regulator has 4 spade terminals (field, 2, 3, 4). It is designed for ‘B’ type circuits in negative ground systems and for use only in Delco 10DN, & 20DN 12-volt systems. ... Reviews (0) Description #B8002-030, Alternator Voltage Regulator . Replaces the Following Parts. Allis Chalmers – #72072955, 243986, …Best of all, the New MC-618 is priced the same as the MC-614. Merely purchase a 5-meter (SG2-0403) or 10-meter (SG2-0400) cable; both come with an adapter that allows you to connect the MC-618 to the SmartLink™ network. Use The SmartLinkTM Network for Charging and Monitoring. Build your own charging and battery monitoring network!Aux. #1 (Advisory) Output. Connect a small LED or incandescent lamp, or an audible (piezo) alert (maxi-mum current flow is 500 mA) to a positive voltage source. Connect the negative terminal on the lamp or audible alert to the Dash Lamp terminal on the regulator. regulator start-up to indicate active sta-tus.External voltage regulator. Thread starter deppy5; Start date Sep 17, 2023; D. deppy5 New Member. Joined Sep 17, 2023 Messages 1 Location Maine. Sep 17, 2023 #1 Good Morning! I have a 98 TJ 2.5 and have been having problems with my alternator. It has a new battery and I have tried installing 2 alternators, which the last one bench tested fine.In comparison, alternators with external multi-stage voltage regulators are able to charge large, deep-cycle battery banks similarly to smart shore power chargers - by modifying charging voltage to meet the changing needs of the battery bank as the batteries become more fully charged. In addition, a smart regulator can be programmed to matchIn conclusion: Alternator regulators are devices that control the output voltage of an alternator. They measure a variety of parameters, including alternator temperature, battery temperature, battery voltage, and alternator current. This information is used to adjust the output voltage of the alternator to ensure that the batteries are …100% NEW HEAVY DUTY VOLTAGE REGULATOR WITH ADJUSTABLE VOLTAGE FEATURE. Recommendations. Voltage Regulator. dummy. New Voltage Regulator Compatible With Ford LTD II V8 5.8L 77-79 F0VU-10316-AA GR540B GR785 GR803 D4TZ-10316-A GR341B NCB701 VR508 AFD6001 AFD6002 AFD6016 AFD6018 230-14000 230-14007 230-14006. dummy.Buy New 12 Volt External Regulator CompatThe voltage regulator controls the amount of cur

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573. 189K views 11 years ago. How to make an external voltage regulator for any car, truck, vehicle, or boat alternator. Output voltage depends on which zener diode you use. Use a 12 or...The External Voltage Regulator Conversion Kit comes complete with a reliable Adjustable, External Voltage Regulator. With the External Voltage Regulator Conversion kit you can get your alternator working and save in ECU repairs. ECU troubleshooting: If the battery voltage is between 12.8V and 14.7V, your ECU Power Module should be fine.We've taken our Extreme Duty Dual Rectifier version of the CS-144 type alternator which normally comes as an internally voltage regulated alternator, we remove the internal regulator then attached a terminal strip to the rear of the alternator allowing you to connect an external voltage regulator. These units are setup for a B circuit voltage ...First, unplug the voltage regulator and see if the engine shuts off with the key as normal. If that works, replace the regulator,” Memmolo said. “Do a check of all ground connections and a voltage drop test across the battery cables. The voltage drop should not exceed 0.4 volts,” he advised.561 posts · Joined 2001. #2 · Feb 6, 2002. Internal regulator is inside the alternator. it uses 1 wire. External uses a box with a number of wires attached to it.This allows the removal of the external regulator for a cleaner look under the hood. Single wire is the only way to go. Like.Hmmm. External voltage regulator fails: replace it. Externally regulated alternator fails: replace it/fix it. Probably replace it unless your lucky enough to be at home or shop when it fails. Internal regulator alternator or its integral voltage regulator fails: replace it/them. Not sure about the relative costs of each.External Voltage regulator install. Hey guys, went ahead and installed a new voltage regulator (old Ford syle) in my truck and now its not charging. I ran the wiring as follows: A terminal to. alternator post, S to ASD relay 12V switched, F to top smaller post of alternator. Grounded the bottom post to the alternator ground.car is a 72 monte carlo easy way to convert a GM externally regulated charging system over to an internally regualted without cutting any wiresThe voltage should be around 13.8 to 14.5 volts, indicating that the alternator is working correctly. If the voltage is significantly lower or higher, there may be an issue with the wiring or the alternator itself. In summary, wiring a one-wire GM alternator is a simple process that eliminates the need for an external voltage regulator.car is a 72 monte carlo easy way to convert a GM externally regulated charging system over to an internally regualted without cutting any wiresPCM/Voltage Regulator Help. I have a 98 TJ with the 4.0. Been having issues with the charging system, voltage suddenly drops to zero, and check gauges light comes on, in addition to sporadic starting. Got battery and alternator tested, battery was bad (replaced it), alternator was good but voltage regulator was bad.The voltage regulator is typically located inside the alternator and is either integrated into the alternator or mounted externally. In summary, voltage regulation is a critical component of an alternator, ensuring that the electrical systems in a vehicle receive a steady voltage.external voltage regulator install help. Jump to Latest Follow 44K views 16 replies 4 participants last post by Mopar1973Man Dec 31, 2012. M. Marky Mark Discussion starter 76 posts · Joined 2009 Add to quote; Only show this user #1 · Dec 23, 2012. I'm going to install an external voltage regulator and will be using Mopar1973Man's voltage ...The red sensing wire for the external voltage regulator to the no.3 terminal or it can be run to the no.2 terminal of the internally regulated SI alternator. or if you want more amps then it can be run to the S terminal of a CS alternator. This is the wire that does the remote voltage sensing for the alternator and allows it to compensate for ...external voltage regulator install help. Jump to Latest Follow 44K views 16 replies 4 participants last post by Mopar1973Man Dec 31, 2012. M. Marky Mark Discussion starter 76 posts · Joined 2009 Add to quote; Only show this user #1 · Dec 23, 2012. I'm going to install an external voltage regulator and will be using …Step 1 - Install the Wires to the Alternate Regulator. Position the alternate regulator on the side of the driver shock tower, which is next to the relays. Mark the area and drill holes for mounting of bolts. Connect the blue and green wirings to the blue and green leads found on the regulator. Don't worry if the colors don't match because ...Voltage regulator issue (overcharging) The guy I bought my truck (1992 D250) from had installed an external voltage regulator and said all I needed to do was hook a wire up to an ignition source. However, if I hook it up directly to battery power, it still isn't regulating voltage (overcharging), so it seems like the voltage regulator is hooked ...The LM2990 is a 1A, fixed output regulator in a 3-lead TO-220 package which is offered in -5V, -5.2V, -12V, and -15V voltage options. The adjustable output version of the LM2990 is the LM2991 (in the 5-lead TO-220 package) which also has low-power electronic shutdown. An important feature of.DELCO D9212 SOLID STATE EXTERNAL VOLTAGE REGULATOR (Reference nos. VR715, 35-100-1, 35100, 19-5304-6, 1953046 DELCO D9212 Solid State, External Voltage Regulator (12 Volt, B-Circuit, 14.2 Vset, Neg. Grd.) Used on (1962-1972) GM vehicles with a Delco 10DN or 20DN Series ER/EF (external regulator/internal fan) Alternators.The schematic does not show a system ground..BUT.. In order for the relays to operate the regulator body must be grounded, this IIRC, is done usually by a strip of metal UNDER the regulator to a shock mount foor with a metal ring inside of it.. (pull it, flip it over and look) this bolt needs to be burnished and properly grounded. Doc imp:A new alternator voltage regulator will cost you anywhere from $40 to $140 for parts, heavily dependent on the make/model of vehicle and whether using OEM or aftermarket parts. The cost of parts doesn't sound so bad, but since most voltage regulators are housed inside the alternator, expect to pay around $140 to $240 in labor.In the digital age, it’s crucial to have a reliable backup system in place for your Mac. One of the most effective ways to ensure the safety and security of your data is by backing...OER External Voltage Regulator Fits Select 1962-1972 GM Models w/63 Amp Alternator. Part Number: 691-1119519. Product Q&A View Now. Click image to zoom. $49.99 3 left in stock Lowest Price Guarantee $ + $ $ External Voltage Regulator; Fits Select 1962-1972 GM Models w/63 Amp Alternator; Original Delco Remy Markings ...The voltage regulator controls the flow of power from the alternator to the battery. When the flow of juice reaches 14.5 volts and above, the voltage regulator shuts off the flow to keep your battery from cooking. Replace your 1963-1970 Chevy's malfunctioning original today with this quality replacement from Eckler's Late Great Chevy and help keep your charging system in top shape. ... Description. Adjustable 91102R external voltage regulator