Gages do not work, new painless kit -

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post #1 of 6 Old 02-08-2013, 07:57 PM Thread Starter
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1979 CJ7 
Join Date: Nov 2012
Location: phoenix
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Gages do not work, new painless kit

I put a complete 12 circuit painless kit to fix any electrical nightmares I may have had with a jeep that has sat for years. I bought the painless 10110 kit. most everything works, I have 2 gages that do not.

The oil pressure gage reads 0 at all times. The kit has 1 purple wire for it, I put it to the top of the dome part of it, there is an additional switch adjacent to it with 2 prongs, and no wires for it. The dome part of it and the switch are attached to a "tee" that comes out of the block. If i remove the "tee", there is an external thread coming out of the block, i cannot remove it, to put a pressure gage there. what am I missing? is this a normal setup?

secondly, my tach does not work. it has 2 wires coming from it, i assumed one was the backlight, painless has 1 purple wire for this one also. it doesnt read no matter which wire i try. i am also TBI injected if this matters.
i would like them to work.
any tidbits would be great. thanks.

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post #2 of 6 Old 02-08-2013, 08:17 PM Thread Starter
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To be clear, this is on a 258 engine.

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post #3 of 6 Old 02-08-2013, 09:29 PM
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1963 CJ5 
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Have you tried calling Painless to see if they can offer any insight?
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post #4 of 6 Old 02-09-2013, 02:16 PM
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1983 CJ7 
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The 2 prong switch is an oil pressure switch that activates the electric choke and manifold heater when it registers oil pressure. I believe the painless kit has a red w/white trace that goes to it iirc. not sure if that would make the oil pressure gauge not work.
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post #5 of 6 Old 02-10-2013, 07:02 AM
John Strenk
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1976 CJ5 
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Like jeepaholic1001 says, The two prong switch is just to activate the echoke and manifold heater when the engine is running. It has nothing to do with the operation of the oil gauge.

The tach could be interesting. Is yours an OEM tach because it has to be run on series with the ignition system. Usually the tach stuff supplied with the painless system works better with an aftermarket tach.

You will need to rewire the ignition so the tach is in series with the ICM and ignition coil. Meaning from the ignition to the tach, from the tach to the ICM and ignition coil.
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post #6 of 6 Old 02-11-2013, 04:21 PM Thread Starter
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thanks for the info. i was trying to keep it stock, but I was thinking about looking for a tach that looks similar. I am not real good with electrical solutions.
painless said pretty much the same thing. not very helpful as far as using the original.
my manifold heater is not hooked up either, so i guess i wont worry about the switch for now.

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