Question about 2003 GMC Safari

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Ok, 2003 GMC Safari AWD 245,000 km. Drove 100km

Ok, 2003 GMC Safari AWD 245,000 km. Drove 100km went to the museum, drove 20km, had a visit, drove 10 km had dinner, drove back 10 km, had another visit, drove 60km, had a visit. All of the above with flawless performance. some city some highway. Dry outside, temp arounf -4C no snow on the ground in T.O. When I went to start the van after the last 10 minute stop, it would not crank. Seemed just like the neutral lockout was keeping the starter from connecting. Wiggled the shift lever, let the van roll forward and braked to make it rock a bit, all with no change. Then after 15-20 twists of the key, the van started! This is where it gets weird. The van was running fine but... Gas gauge was dead. Temperature gauge was dead. Voltmeter worked fine. Oil pressure gauge worked fine PRND21 indicator light was out? Radio (and clock) were dead. Defrost blower was dead. Wipers (front and rear) were dead. Marker and brake lights fully functional. Headlights worked fine but high beam indicator on the dash did not light when the high beams were on. My confidence in the General being what it is I put the van in gear and headed home. (100km or so) 20 km down the road, the whole dash lit up as it does when you first start the van. Now everything is working fine except the wipers. This continued off and on for several km until finally it stayed on for good. By the time we got home it had all been working for an hour except I still had no wipers and it was snowing. Made it home with no problem and put the van in the garage without shutting it off. (No simple task :) When it was safely inside, shut it off and restarted to see if it would crank. Started several times no problem. AND THE WIPERS WORK NOW TOO! Any ideas?

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Sounds like an ignition switch glitch or ignition harness problem can be either depending on the amount of wear and tear with turning on and off of the ignition tumbler or possible chafing or inconsistent short in harness to ignition switch check the ground line up through harness first and check the wiring harness condition

Posted on Jan 03, 2011

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