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Should be think about replacing the circuit board?????? If you don't know how to test electrical circuit's using wiring diagrams an diagnostic testing equipment you really should be thinking about what qualified repair shop to take it to .
Hello! The only way to acquire a complete set of wiring diagrams is to purchase a repair manual or at your local library...Unless your only interested in a certain circuit...If the latter is the case tell me which circuit...Guru...saailer
i dont think u need a wiring diagram. you should check your wiper motor circuit board first. on my 94 s10 the wipers either worked when they wanted to and now they dont work at all. just either replace the circuit board yourself ($19.95 on ebay) or replace the whole wiper motor ($60 on ebay) and your wipers should work. just give this a shot as its a good place to start. i myself am going to replace the wiper circuit board as its cheap, and really easy to access and replace. all you need is a screw driver. good luck. and no, im not a GM Technician. just owned my truck since day 1 and always try to check vehicle forums for answers first.