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389 load light fuse location - Printable Version

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389 load light fuse location - NoTime - 03-24-2019

{389 pete}
Anybody know where the heck the fuse for back of sleeper lights are? I have took my test light to every stinking fuse in the truck even under bed and don’t have a bad one.


RE: 389 load light fuse location - Rtrucking - 03-25-2019

Might be under the gauge panel


RE: 389 load light fuse location - Nostalgic - 03-25-2019

If the fuse(s) are good, you may want to check the wires @ the hinge area of the mattress box. The routing, at least on mine, is horrible that area, and they pinch under the frame.


RE: 389 load light fuse location - Rawze - 03-25-2019

It being paccar, try disconnect all batteries for 30 min and let the cab controller reset. They are notorious for software quirks with lights, dash gauges, etc.

may not be the problem, just mentioning it as a reminder to those who may searching for solutions for this kind of stuff.


RE: 389 load light fuse location - Lostfarmboy - 03-25-2019

If it's a sleeper truck the fuse for the load lights is in the sleeper fuse box


RE: 389 load light fuse location - NoTime - 03-25-2019

I’ll try to reset cab control first since it’s the easiest.


RE: 389 load light fuse location - Moose - 03-26-2019

(03-25-2019 )Rawze Wrote:  It being paccar, try disconnect all batteries for 30 min and let the cab controller reset. They are notorious for software quirks with lights, dash gauges, etc.

may not be the problem, just mentioning it as a reminder to those who may searching for solutions for this kind of stuff.

Along with the CECU in the cab if it has a sleeper, it has chassis nodes that probably control this. I've been chasing a bad one in mine for quite some time..... Don't get me started.


RE: 389 load light fuse location - NoTime - 03-27-2019

I still haven’t got mine fixed. I’m about to lite a match