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Voltage Gauge Conversion - Best Connection for 12V Source?

Started by chaps70rt, June 14, 2023, 07:50:11 AM

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chaps70rt

I have my dash out of the car and I am in the process of installing my new M&H rally dash harness.   As part of this I have removed the Ammeter in favour of the Voltage Gauge including the bypass (Red to Black).   The voltage gauge of course requires a 12V source.

Most of the posts suggest it can be picked up anywhere, but if I have everything accessible.  What is the best and safest place to take a switched 12V source for the new gauge that is switched with the ignition???     I was thinking of taking a wire jumper off the back of the tach (12V Screw post - see pic).  Will that create a problem??

Thanks in advance ......
70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi

chaps70rt

Anyone ???

Which colour harness can I run a jumper from to provide switched power for the new voltage gauge?
70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi

Skdmark

What about the 12 V wire that feeds the instrument limiter?
Use a double male spade adapter. There are few options for the adaptors.
You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.
-Harlan Ellison

(O OI====II====IO O)    (O O{]{]{] ][ [}[}[}O O)
:stayinlane:


dodj

Those ammeter wires you connected together...right there.
"There is nothing your government can give you that it hasn't already taken from you in the first place" -Winston Churchill

chaps70rt

Thanks Dodj ..... I was so consumed with ensuring that this was properly crimped/soldered/taped and heat shrink'd ..... that I completely ommitted
that option.   

Now I feel really stupid.
70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi

chaps70rt

Great idea Skdmark.    Are those double pinned adapters readily available?
70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi



chaps70rt

Will do .... .thanks Dodj.    Cdn Tire is five minutes away.    I will head over shortly and start the exercise of removing the entire dash to begin
my harness replacement.   

70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi

Jay Bee


Jay Bee


chaps70rt

Thanks "Jay Bee" .... Twice.

How embarrassing.... Senior moment!!
70 Challenger R/T
440 4-BBL, 4-speed, shaker
2019 Ram 1500 5.7 Hemi