Constant Voltage Regulator 1965-1966

CJ's Part Number: HW1565
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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.

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Installation Instructions

Difficulty

Difficulty: Easy

Mustang Applications

This product will fit the following Ford Mustang years:

Product Reviews

Write a review
Constant Voltage Regulator 1965-1966 is rated 3.2 out of 5 by 5.
Rated 1 out of 5 by from Fell apart part When they say be careful with the part in the video, they were not kidding. One of the clips easily popped off when re-installing the gauges. When I tried to push it passed the brass head, the entire part came off the poorly mounted plate. I'll be much careful with the replacement.
Date published: 2015-02-04
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 1 out of 5 by from poor quality not good construction. terminal was very loose on back of regulator and came off when I tried to attach wire to it. was given credit for it.
Date published: 2016-03-17
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
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
  • 2016-04-29T07:35CST
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Product Questions

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: 2015-09-07

Having just installed this, the male/female contacts are on the opposite side to what was previously installed VR - I assume that this makes no difference to its operation?

Asked by: Dangerm
  • 2016-04-29T08:30CST
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