Need diagrams...

Fire3500 · Sep 7, 2016

Hi y'all

I'm in need of a fuse block diagram for the 1997 3500 V10 dually I have at work. The reverse lights, fog lights, and bed marker lights don't work. It may be a wiring issue, but I can't rule out fuses if I don't know which ones to pull. If anyone has a schematic handy, I'd greatly appreciate it!

dudeman2009 · Sep 8, 2016

Fire3500 said:
Hi y'all

I'm in need of a fuse block diagram for the 1997 3500 V10 dually I have at work. The reverse lights, fog lights, and bed marker lights don't work. It may be a wiring issue, but I can't rule out fuses if I don't know which ones to pull. If anyone has a schematic handy, I'd greatly appreciate it!

Those are all on separate fuses, its doubtful that all of them went at the same time unless there is an underlying issue. If they all wont turn on, you are looking for a problem where they all meet up, the headlight switch. There are some service manuals on here, I don't have any myself for the 97, i've only got the 01. All the grounds for these lights are switched through the headlamp switch, they are supplied battery voltage all the time.

To test the lights and the positive feed, get a fused jumper wire, and jump a set of bulbs to a known good ground, if they light, you can rule out a supply issue. Cuts out half the circuit.

Need diagrams...

Fire3500

Junior Member

dudeman2009

Senior Member

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