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Ok, I have traced my 12v draw is on the 10ga red wire feeding the ignition switch. I disassembled the horn contact (button) and the draw dropped from 9.5 amps to 2 5. I have replaced the ign. switch and the switch on the left side of the column. I have not replaced the wiper switch or...

I don't think it is the battery, I waited till the batt was down to pulling only about 2amps. Had 2 at batt, 9.5 at the 12v buss feed and 11.5 out of the alt. Seems everything is working/adding up right just wondering what's pulling amps inthe cab. Maybe it will be warm enough tomorrow to start...

Is that the pink wire?

I am sorting through many electrical issues and am just looking for what "normal" conditions are. If 9'ish amps is too high when running then I got some searching/troubleshooting to do. It is zero with ignition off.

I was wondering if anybody knew what kind of amp draw the 12v buss would have keyon running with no lights, fan or wipers on (only always on essentials)? Does 9-10 amps sound too much? Sorry, it's a M1008 (no radios).