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Gauge Help

I just installed EGT, Boost and Fuel Pressure gauges. It isn't complete yet, still need to connect the lights (+) to a dimmer source somewhere (Help) and the EGT signal booster (+) somewhere. I thought I read a previous post where a dimmer wire behind the headlight switch is available. I cannot find the post to see what wire that was.

After that, or before, I still need to run a line from the fuel source to the isolator. Where is a good place to mount the isolater and where to take the fuel pressure from?

Its an '03 2500 HO Manual Tranny Laramie. Your help is appreciated.

Reply to
FMB
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Pull the headlight switch panel off. Tap into the Orange/white wire (the thick one). That's your dimmer output.

I tapped into the red wire going to the cigarette lighter for a switched

+12V.

Fuel pressure on a stock truck should be taken from the banjo bolt on the supply line into the CP3 pump. You use a tapped banjo bolt for this (available from

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As for mounting the isolator, you can see mine here:
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I hung it from the little piece of sheetmetal sticking out, with a couple of sheetmetal screws, and a zip-tie for good measure. You want to try and keep it off of the engine, to minimize vibration.

Reply to
Tom Lawrence

Reply to
Joseph Myers

Yep - it is. The problem is there's no schrader valve on the '03s.

Reply to
Tom Lawrence

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