Need help
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2nd Gear
Joined: Dec 2022
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Need help
I have a 2004 f350 dually with no rear running lights. I have turn signals and brake lights. I put a new headlight switch checked all my fuses everything looks good but I still can't figure out the problem
4wd Low
Joined: Dec 2022
Posts: 13
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There are 2 relays in Aux. Relay Box #2, There is a Resistor comes directly from Fuse 2.14 15 Amp. Location Aux. relay box #2 engine compartment LH side fender well back by firewall, Resistor engine compartment LH side next to ground fender well towards front of vehicle. Five pin relays relay #1 pin 4 WH/BK, relay #2 pin 87A RD/YE. Resistor connector C196 pin #1 OG/LG goes to relay #2.
Last edited by jenkinsd; Dec 21, 2022 at 10:43 PM.
Thread Starter
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2nd Gear
Joined: Dec 2022
Posts: 2
Likes: 0
There are 2 relays in Aux. Relay Box #2, There is a Resistor comes directly from Fuse 2.14 15 Amp. Location Aux. relay box #2 engine compartment LH side fender well back by firewall, Resistor engine compartment LH side next to ground fender well towards front of vehicle. Five pin relays relay #1 pin 4 WH/BK, relay #2 pin 87A RD/YE. Resistor connector C196 pin #1 OG/LG goes to relay #2.
4wd Low
Joined: Dec 2022
Posts: 13
Likes: 2
ARE you California emissions? 6.0l diesel? Check fuse 2.14 15 amp. Check circuits through connectors starting at main fuse box ye/bk wire, through DRL resistor OG/LG wire, through DRL relay 2 and 1. You might not be hot directly out of main fuse box. Is resistor ok, check ground. Trace your harness. DRL OG/LG wire in your pig tail, BK in pig tail is ground.
Last edited by jenkinsd; Dec 22, 2022 at 09:50 PM.
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