I have a 1981 dodge motorhome the none of the upper yellow and red lights don't work I checked bulbs they are are ok any suggestions what it could be

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Comment by Henry on November 26, 2014 at 7:23pm

You have a bad ground. These lights are looped like they use to do with Christmas tree lights. Running lights are all on the same circuit so you'll have to just clean and ensure the (-) on the lites are grounded well. When you find the one that is not making a good connection the rest will come on. It could be as simple as turning the screws that secure them to the campers metal shell which is the ground.

Comment by James and Yvonne Hoak on November 24, 2014 at 12:21pm
Thanks everyone for your replys I will check these out
Comment by Matthew Tritt on November 24, 2014 at 11:51am

I also had persistent problems with the front signal/park/marker lights that even caused the clearance lights to pulsate when the turn signal was engaged. This turned out to be a bad ground between the aluminum grille and the steel body of the drivers side signal lamp housing. There was also high resistance between the grille and the cab sheet metal, but installing new stainless screws cured it. Since the coach body is all fiberglass, the clearance lamps all have ground conductors and nothing is daisy chained.

Comment by david craft on November 23, 2014 at 11:27pm
Ground the light to the corner molding and test the running light bases till you find power and work the string from there. If you have power then establish a ground. If it grounds through the base, they make a #9 aluminum hex screw that is excellent to replace the original screw with...slightly bigger and aluminum for reduced electrolysis issues.
Comment by Matthew Tritt on November 23, 2014 at 3:02pm
I agree. I had big problems with mine that all came down to a bad ground in one of the lower corner marker lights. What a trip hunting it down. BTW, my problem was on the passenger side.
Comment by david craft on November 23, 2014 at 2:34pm
These run ina series ...like christmas lights. If you lost them all, look for a breakdown driver rear corner, tail light or above, or possibly driver front where the string begins.
Comment by Michael Mueller on November 23, 2014 at 12:35pm
Bad grounds 9 out of times it's the ground other one would be corrosion try electric spray cleaner in each socket ,I use the spray
$2 treatment is worth a try
Good luck



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