Hey guys, got a new problem with my Blazer... that being that I can't even start it because when the key is turned on fuse 10 pops. I managed to get it running after fooling around with it trying to located the problem with a circuit breaker and was able to start it a few times, even drove it about 10 miles before it left me stranded.

I understand that the ECM, ignition coil, ICM, and the crank position sensor are fed off of this fuse, correct? Any specifics I should be looking for? I traced the loom from the CPK, ICM, and coil and didn't see any obvious damage. I don't know what to look for around the ECM but also, no obvious damage. I also can't figure out why it worked for a while before going back to eating fuses.

 

Hello Xavier,

Here is some extra info on Fuse #10.

There is a splice point at S105 that goes to your fuel injectors.

The wires on this circuit should all be pink.

Hope this helps out a bit. Maybe some one with some electrical
know how can help you out.

Good Luck - Mark

 

Thanks for the tip, Mark. Turns out there was an injector wire pinched in the fuel spider bracket which had shorted out. Must have happened when my father and I did the MFI upgrade about two weeks ago. Fuse 10 is no longer popping! But... I still have this miss to diagnose.