Electrical problems expert needing help!

Tiny
CAROLINACARCONNECTION
  • MECHANIC
  • 1992 CADILLAC ELDORADO
  • 109,000 MILES
Ok guys been working off and on of this eldog for 6 or so months. The cruise control works sometimes then others it doesnt work. When its working. No problems it will work sometimes then when you press the resume button after cruise has been cut off with the brake pedal it will no reacitve until you touch the gas. When it activates it goes to appx 75% throttle to get back up to speed. Also the dash lights where if will show fuel millage and heat and air temp work sometimes then they dont others. Heres the kicker guys. When the dash lights work the gas guage doesnt, when they are working the gas guage goes to full no mater what the tank level acutally is. Also sometimes the keyless entry works when it wants to also.

ive replaced the cruise control servo
all vac lines and check valve.
tryed to sync to my mac mentor and it wont sync.
checked the fuel sending unit for opperation and it does work as my ohm meter says
checked the wire from the sending unit to guage and its no broken.
replaced the headlight switch also
help me out here
i was figuring bcm but this car doesnt have one
Monday, May 13th, 2013 AT 3:48 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You have some strange issues here. I would start with connections. Make sure all are good and add di electric grease to ensure good connections.

Roy
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Monday, May 13th, 2013 AT 5:56 PM
Tiny
CAROLINACARCONNECTION
  • MECHANIC
  • 66 POSTS
Any idea where to start with the connection cleaning? Im at a loss with this da*m car lol
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Monday, May 13th, 2013 AT 6:19 PM

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