E-Bodies.org Cuda Challenger Forum

Technical Shop => Electrical & Audio => Topic started by: JunkYardFind on February 03, 2021, 05:12:33 PM

Title: How to bench test a voltage limiter
Post by: JunkYardFind on February 03, 2021, 05:12:33 PM
Title basically is the question. I pulled my dash and want to see if the voltage limiter is part of the problem. The repro ones are going for $80 :/ I would like to see if I can avoid that cost. How can I test this?
Title: Re: How to bench test a voltage limiter
Post by: dodj on February 03, 2021, 05:36:51 PM
-ve 12vdc to the case. +ve 12vdc to the input spade lug. Place your -ve meter lead on the case and your +ve meter lead on the output spade lug. If the regulator is working, you should see a pulsing 12vdc.
By pulsing I mean close to 55% time at 0 volts, and 45% time at 12 volts.
Title: Re: How to bench test a voltage limiter
Post by: JunkYardFind on February 04, 2021, 06:28:11 PM
Quote from: dodj on February 03, 2021, 05:36:51 PM
-ve 12vdc to the case. +ve 12vdc to the input spade lug. Place your -ve meter lead on the case and your +ve meter lead on the output spade lug. If the regulator is working, you should see a pulsing 12vdc.
By pulsing I mean close to 55% time at 0 volts, and 45% time at 12 volts.

@dodj (https://forum.e-bodies.org/mlist/dodj_816)
Thanks for the reply! I will get at this over the weekend hopefully.