In the battery box there is a fuse on the smaller primary wires. Make sure that the positive and negative are hooked up and good. There is also a fuse in the fuse panel I believe, but ECM is powered right off the battery.
Mechanical or Electronic CAT, which one is better
Discussion in 'Trucks [ Eighteen Wheelers ]' started by pullingtrucker, Jul 28, 2009.
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