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1979-1993 & 94 Conv [Subscribe to Daily Digest] |
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Agreed Posted by Saabpilot [Email] ![]() ![]() In Reply to: Re: '88 Central locking Trouble, Ken ![]() |
The intermittent self-locking / unlocking definitely sounds like a short or a ground fault somewhere. Carefully inspect as much of the wiring as you can see and look for broken insulation on the wires. If it's something obvious you can repair it with electrical tape. Otherwise it's worth your time and a few dollars ($10 at my local junkyard) to have a spare control relay on hand. It's located up above the passenger's feet on top of the air distribution venting...look for a gold colored bracket that holds it in place. You can probably just loosen the left most screw holding the air duct in place and gently pull it down to expose the relay.
Do a search on this bulletin board for central locking to find out more info. The electrical circuits are actually very simple for this lock circuit, although the Haynes manuals typically leave alot to be desired. A Bentley, while costing around $40 is a much better investment. If you need more help on the circuits let us know; there is alot of electrical expertise on this bulletin board.
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