Constant Voltage Regulator 1965-1966

CJ's Part Number: HW1565

Regular Price: $32.99

Special Price: $23.09

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Constant Voltage Regulator 1965-1966
Constant Voltage Regulator 1965-1966 Constant Voltage Regulator 1965-1966 Constant Voltage Regulator 1965-1966

Product Description

Constant Voltage Regulator for 1965-1966 Mustangs.

This new constant voltage regulator features solid state technology for smooth gauge performance with no adjustment needed. Original units use mechanical contacts that open and close causing gauges to fluctuate needing to be adjusted manually with a screw driver.

When this part goes bad, it may cause one or more of the dash gauges to stop working properly. So when you are installing new dash gauges, you may want to replace that old regulator to prevent this from happening to you.

Whether you’re looking for an exterior mirror, wheels and tires, headlights and taillights or a set of interior upholstery, CJ’s has the parts you need to complete your classic Mustang restoration with ease! CJ’s has the parts you need to bring your early model Mustang build back to life--browse our huge selection of restoration parts for your pony today!

Order this Constant Voltage Regulator for your classic 1965-1966 Mustang today from CJ Pony Parts!

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Installation Instructions

Difficulty

Difficulty: Easy

Mustang Applications

This product will fit the following Mustang years:

Product Reviews

Write a review
Constant Voltage Regulator 1965-1966 is rated 3.8 out of 5 by 4.
Rated 1 out of 5 by from Didn't work for me Gas Gauge was not working, although was I getting voltage from the sender unit in the tank, "assumed" (silly me) that it must be the voltage reg behind the gauge cluster, so removed gauge assembly and replaced, still not working, eventually determined that my gas tank float had a hole, and was sinking to the bottom / always reading empty. fixed this but... gauge still not working, after alot of messing about, finally found that the New voltage reg was not working, and switched back to the old one again. Now gas gauge working perfectly So.. a few bad decisions from me, and some frustration along the way, but you'd like to think that a new part would be working correctly... wouldn't you? shame on me for not testing it before getting everything pulled apart
Date published: 2017-01-02
Rated 5 out of 5 by from Exact Match and Fit, Worked Great Purchased this and it solved all of my gauge issues
Date published: 2015-09-08
Rated 4 out of 5 by from Works very well Just put this on a couple of nights ago and works fine. I did notice the male and female clips were in opposite places to the original one that was on there, but i am not 100% sure that this one one was original anyway? Works fine but did not notice any major change in brightness on the dash.
Date published: 2015-10-30
Rated 5 out of 5 by from No problems with this item. Fit and works perfect I have bought this item for a few of my projects and have not been disappointed yet.
Date published: 2015-09-07
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Product Questions

Is cvr 5 volt output consent or is it intermittent?

Asked by: Griderboy
It is a constant 5 volts.
Answered by: rk cjpp
Date published: 2016-11-17

What about dash lights? I have a new light switch, and all new bulbs, and yes i tried the dimmer, yet no instrument gauge lights work. Does this help that issue as well?

Asked by: MustangMitch
This will not help with your problem, it is probably a blown fuse or wiring problem, check for a good ground.
Answered by: rk cjpp
Date published: 2016-07-19

can the constant voltage unit be bypassed ?

Asked by: supersid
The voltage regulator cannot be bypassed on factory gauges, the gauges WILL be damaged. With aftermarket gauges the regulator is not needed.
Answered by: rk cjpp
Date published: 2016-06-06

my gas gauge works sort of. when full it reads very high, my oil pressure reads high and the temp reads high. but all gauges do work just high. could the CVR be the likely issue

Asked by: cmmisr833
Use a volt meter and test the voltage at one of the sending unit connections like the temp sender. The voltage at the sender lead should be 5 volts. If it is more than the IVR is bad. The IVR drops the voltage for those three gauges from 12 volt to 5 volt. If higher than the 5 volts then the gauges will read higher   
Answered by: MonroeW
Date published: 2016-04-07

Is there anyway I can test this (Instrument Cluster Voltage Regulator) without putting in????

Asked by: Doct
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