Question about Chevrolet Blazer
Some times it blows the fuse 2 or 3 times then it is good for a couple days
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Posted on Jan 02, 2017
The power wire to your fuel pump must be shorting out somewhere. Disconnect it and see if your fuse still blows. If not, then follow the wire all the way back to the fuel pump, and look for a bare spot. Good luck!
Posted on May 04, 2009
sorry this is not going to make you happy but its a wire shorting out to the negative side of the battery it could be anywhere under the hood, look for any wire that look chaffed, hope this helps regards John
Posted on May 15, 2009
something in the ignition circuit is drawing too much current.the starter draws 10 times that much current.check for shorted wires or a bad coil pack,or even the module,or a short in the distributor.get the wiring diagram.put a 25 watt bulb in the fuse instead,it will light and limit the current to 2 amps.disconnect items until the light goes out,and then check things on that power rail.
Posted on Jun 14, 2009
sounds like a short in the wiring from the fuse and the fuel injector junction block. GM like most fuel injection systems control injector firing by the computer providing ground to each injector in pairs or individually. The fuel injector fuse provides power to the injectors using splices therefore enabling one wire to feed 6 injectors. A shorted wire at any of these wires will blow the fuse. On one rare incident I found a faulty computer caused the fuse to blow. A shorted injector will just cause a rough running problem due to the injector stuck either open or closed.
Posted on Aug 05, 2009
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