04 Ram electrical issue

Layinlow

Layinlow

Forum Member
My uncle called me with a problem he is having with one of his fleet trucks, this one has me stumped so hoping someone here has further insight
It's a 2500 hemi truck..
He had his trailer hooked to the truck and was doing something with the trailer lights or wiring and when he was done a few problems popped up with the truck.

He said the rear lamps on the truck are now non op, none of the gauges work, and all of the dummy lights in the cluster stay illuminated. He checked all fuses and "moved around relays" with no luck.

Any ideas?


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reset the truck by disconnecting the battery, hitting the break pedal 3 times and wait 15 mins. put the battery back on and see what happens. disconnect the trailer first!
 
It's been a few years, but I had problem with corrosion between the layers in the circuit boards of the fuse box, had to take it apart carefully and clean a few of the terminals. This meant drilling the plastic posts that held the fuse box together to get it apart, removing all the fuses. I had a parking light out, no indicator on the dash of bulb out at the time, on a 2003 1500. If you google "fuse box issues Dodge Ram" stuff will come up. The other option was replacing the fuse box $$$$.
 
99Electriccobra said:
It's been a few years, but I had problem with corrosion between the layers in the circuit boards of the fuse box, had to take it apart carefully and clean a few of the terminals. This meant drilling the plastic posts that held the fuse box together to get it apart, removing all the fuses. I had a parking light out, no indicator on the dash of bulb out at the time, on a 2003 1500. If you google "fuse box issues Dodge Ram" stuff will come up. The other option was replacing the fuse box $$$$.
Click to expand...

agreed, I usually just replace them
 
It really wasn't that bad, a couple photos for reference to put the fuses back in the right spot. Luckily my wife didn't know what I was doing at the time when I had it laid out on the kitchen table or she'd have freaked, "your doing what!?"

I don't know how long it lasted, sold it a month or so later.
 
I had a Suburban that someone had towed behind an RV. My tail, turn, and brake lights worked when they felt and not at other times. I chased it only to find that they had wired in a connector/fuse panel they were all wired through in the engine bay. Eliminated that and never a problem again. I highly doubt that's your issue, but worth mentioning.
 
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