Cadillac CTS-V 2004-2007 (Gen I) The Caddy with an Attitude...

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Old 07-14-2015, 09:07 AM
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Staging Lane
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Hey all...after almost 3 months with tinkering with this swap and no speedo, abs light/TC light on, and no fuel gauge I was checking my grounds and came across a harness plug disconnected in the pass side fender well next to the battery...my question is: what are those connectors for?
Old 07-14-2015, 09:22 AM
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Naf
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If they are inside the fender they are for the abs. In Between the battery and the engine is the voltage check.

Give me 10 days and i may have a perfect harness you may buy from me. Scored a good one off ebay, but i also have my original harness which has a 5v issue somewhere...
Old 07-14-2015, 09:23 AM
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Connectin it will solve your issues
Old 07-14-2015, 09:34 AM
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NAF-reconneded them and got speedometer back, but still no fuel guage...is it possible I got the two switched?
Old 07-14-2015, 09:39 AM
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Let me check tomorrow. I have all my pow at work...
Old 07-14-2015, 09:53 AM
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Do that...I checked to make sure those plugs were connected to the right spot..can't confuse them ones grey and ones black...the only thing I can think of on ABS is the bearing itself right rear is what the scanner said..but that fuel guage is gonna bug me..still gotta get it in for fuel harness recall so maybe that'll clear that up..but it works when key is in the on position but as soon as I start the car, it quits working...lol
Old 07-14-2015, 10:00 AM
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You may have a problem with the level gauges,
Old 07-15-2015, 12:54 AM
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I checked my drawings, and the larger of the two plugs has your fuel pump level sensor. Wiggle it and see if your fuel gauge fluctuates, if no change you may have a bad sensor. If there is change, then try and clean the plugs with contact cleaner and try again
Old 07-15-2015, 11:43 AM
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Thanks for checking that out for me..I had to remove the negative cable from the batt for like a half hour, and when I put it back on all seems good...kinda weird to be honest, I think when I plugged them in that one didn't go in all the way..I made sure it clicked this time...now I gotta check my connection to my oil pressure sensor, low oil pressure now 18psi at idle, and only 30-38 at driving speed...SMDH



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