Thread: What is ING-1 fuse #21 ?

Here is the schematic for the ign1 fuse. You may not have all the things listed in it. It does power the MAF and the O2 sensor heaters. The first place I would look for a short to ground is at the a/c accumulator which is an aluminum can looking thing in front of the transmission. The engine wire harness can rub against it and cause various problems.



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