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Search Auto Parts Search 1990 Buick Riviera battery drain Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical Staplite4 New User Aug 3, 2013, 1:54 PM Post #1 of 5 (2599 views) 1990 Buick Riviera battery drain Sign In 1990 Buick Riviera 190K miles. Battery has a current drain when everything should be off. Current is measured with ammeter in series with battery connection. Drain is 360 ma. Removing fuse F4 (lighter) removes the drain. When F4 is installed, there is about 30 second delay, and the drain returns. Aftermarket manual only shows ash tray lamps wired to that fuse. (Clearly the wiring diagram is incomplete). Disconnected the lighter harness in the center console, but it not remove the current drain. Hammer Time Ultimate Carjunky / Moderator Aug 3, 2013, 2:45 PM Post #2 of 5 (2582 views) Re: 1990 Buick Riviera battery drain Sign In Are you allowing time for all the timers to expire before reading this? This can take as long as an hour to happen on some vehicles. Do you have all the door switch and hood lights rigged to stay off? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Discretesignals Ultimate Carjunky / Moderator Aug 3, 2013, 3:00 PM Post #3 of 5 (2578 views) Re: 1990 Buick Riviera battery drain Sign In The cigar lighter fuse also protects the circuits for the rear cigar lighter, the exhaust solenoid on the electronic level control compressor, and the electronic level control height sensor. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. Staplite4 New User Aug 3, 2013, 3:49 PM Post #4 of 5 (2572 views) Re: 1990 Buick Riviera battery drain Sign In Door and hood switches are off. We are measuring this because the battery gets completely discharged in about 7 days. Staplite4 New User Aug 3, 2013, 3:53 PM Post #5 of 5 (2567 views) Re: 1990 Buick Riviera battery drain Sign In   Both cigar lighters are disconnected at the center console. That was our first suspect. I will check into the level control items. A good schematic might help!   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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