18 fuse 2004 dodge ram

305

Asked by Jan 05, 2014 at 03:47 PM about the 2004 Dodge Ram 1500 Laramie Quad Cab SB

Question type: Maintenance & Repair

#18 fuse blows when lights are turned on this is a 2004 dodge ram, replaced light switch
and still blows the fuse, headlights still work, no dash, dome, and cargo, could a bad
headlight cause this, or a found some where

17 Answers

22,095

Yu have a short to ground somewhere. Does it blow the fuse when you turn the park lights on or just when you turn the headlights on?

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305

Just the head light

22,095

Then try unplugging one headlight at a time and turn the headlights on. The one that blows the fuse has the short on that side. Could be the headlight but more than likely in the wiring to it.

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22,095

If it blows the fuse with both headlights there is a short in the wiring somewhere from the headlight switch to the headlights.

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305

How do I do find the short

22,095

Look to see if the plug ins are burned/melted at the headlights or headlight switch. If ok, look for any rubbed,melted or chaffed wires from the switch to the headlights.

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305

Could it be a switch h in the door that turns on the dome light

22,095

Well we seemed to have narrowed it down to the headlights due to only blowing the fuse when they are turned on.

305

Thanks

305

Will a ohm meter help what setting should it be on

22,095

Not really. They sell a short finder at advance or autozone I think. You put it on each wire and it will tell you which one and sometimes where it's at.

1 people found this helpful.
305

What do you think causes the wire to short out cold, water age conditions?

22,095

Age and hot, cold conditions. When you find it there will probably 2 wires touching metal to metal with no insulation on them. One power 1 ground.

305

Thanks for the help get back to you when I find it, I will check AutoZone or advance to that tool

22,095

Glad to help.

305

Now when the parking lights come on

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