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Search Auto Parts Search 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical RUBEN209 New User Nov 18, 2006, 12:14 PM Post #1 of 5 (4462 views) 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign In Hello. Recently, I started my car and the instrument cluster did not light up. The instrument cluster is digital and consists of the following gauges: Tachometer Speedometer Water Temp. Oil Pressure Electrical Fuel Odometer The power windows simultaneously stopped working as well. I have replaced the ignition lock cylinder assuming that it may be the problem since I had been having some difficulty turning the key. Also, the rear hatch motor is no longer working although I am not sure if this occurred at the same time as the rest of the previously mentioned problems. Any advice would be appreciated. Tom Greenleaf Ultimate Carjunky / Moderator Nov 18, 2006, 1:59 PM Post #2 of 5 (4459 views) Re: 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign In Well that stinks!! The only couple ideas I have is that they all need power and ground. The trunk motor should work without the key so I'm doubting the ignition right now. See if you can find any broken ground straps between engine block and body of car. For a test try using jumper cables between engine and body. Another thing that happened to me is the power block on the firewall side underhood will be near fuse box and with I think just one nut or bolt and a main power to the car (GM Van in this case) just wasn't making a connection. Before I would take that off just try twisting on it and if that makes a difference problem sure could be right there. The fix was to give a slight twist to the spade connectors - regrease it up and I never heard of another problem with that van. Just some thoughts but hang in there others may have more ideas, Good luck, T RUBEN209 New User Nov 23, 2006, 12:31 PM Post #3 of 5 (4449 views) Re: 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign In Thanks for the suggestions. I will certainly try it over this holiday weekend. I'll let you know if it works. RUBEN209 New User Nov 24, 2006, 3:13 PM Post #4 of 5 (4440 views) Re: 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign In Hi Tom, i have a little more info today about my electrical problem. I have checked with a tester and the following fuses are not lighting up. CLSTR CRANK C/H-FAN INST LPS HTR A/C I checked it with the ignition key on. I also replaced with other fuses and had no change. Does this help narrow down the search field? Any suggestions from anyone would be appreciated steve01832 Veteran Nov 26, 2006, 3:47 AM Post #5 of 5 (4429 views) Re: 1988 PONTIAC TRANS AM- DIGITAL INSTRUMENT CLUSTER Sign In If the fuses aren't getting power then you may have some open fusible links. At the starter solenoid you should have a cluster of small wires going to a post. These are the fuse links. A lot of times the wires burn inside the insulation and they look o.k. One way to tell is to wiggle the wires around and bend them. If the wire feels like it is made of Jello then you need to start replacing the links. Make sure you use Fusible Link Wire and that it is the same guage as the original wire. Fuse link wire is designed to burn up harmlessly in the case of circuit overload. If you use regular wire then you risk having a fire under the hood if this happens again. Good luck and keep us posted. Steve   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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