Question about 2001 Chevrolet Express
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: blowing ignition a fuse
I believe you mean a 40 amp fuse? Wow! that's a dead short somewhere on a large wire. Could be difficult, or hopefully easy to find. There's always the smoke test option: Solder a jumper wire across the top of the fuse, making the circuit essentially un-fused and look for the smoke. Not the best method, but quick. Warning: if you do this, depending on where the short is, you could melt down the wire harness or possibly start a fire. Try this at your own risk! IT'S A "LAST RESORT" THING, WHEN YOU'VE TRIED EVERYTHING ELSE AND FAILED! Good luck.
Posted on May 25, 2009
If you have a wheel puller(steering wheel) then the rest is easy. If you don't it's best to grab a repair manual because there are certain little tricks that should be known before attemting to do this.
Posted on Jun 20, 2009
Engine 1 fuse powers the computer and some sensors. I had this same problem on a 98 chevy van 3500 and found the wire going to one of the oxygen sensors had shorted out on the heat shield. Inspect the wires going to all of the oxygen sensors. On this van one of the oxygen sensors on the driverside the wire was laying on the heat shield which eventually rubbed through the wire and shorted it out blowing the fuse. Your short could be on a different sensor but check all of the oxygen sensors because the wire runs so close to the sharp heat shield.
Posted on Aug 06, 2009
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