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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Light Problem

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hpdrver

Mansfield, Texas

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Posted: 12/12/20 01:54pm Link  |  Quote  |  Print  |  Notify Moderator

I have been trying to troubleshoot an exterior light problem on my son-in-law 2011 Dutchman trailer. The two exterior lights do not work. I checked the switch and it was okay. I changed the fuse for these lights and still not fixed. However, there is a strange issue.

In the distribution box of fuses, there is a little red light for each fuse. When I pull out a fuse, the red light comes on for all the fuses in the box except the exterior light fuse. When I pull this fuse, the red light does not light up like it does for the other fuses.

Any thoughts on what is wrong is appreciated. Thanks


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Posted: 12/12/20 02:08pm Link  |  Quote  |  Print  |  Notify Moderator

Maybe a loose wire connection to that fuse, somewhere in the distribution box. Never hurts to tighten all connections every so many years.

Jerry





BarabooBob

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Posted: 12/12/20 02:17pm Link  |  Quote  |  Print  |  Notify Moderator

Try pulling the fuse for the outside lights. Next connect a jumper wire from the supply end of one of the other fuses to the feed side of the outside light fuse. Check the function of the outside lights. If the lights work, your problem is within your power system. You can make the jumper by using male spade connectors and a short wire.


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BarabooBob

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Posted: 12/12/20 02:17pm Link  |  Quote  |  Print  |  Notify Moderator

double post

12th Man Fan

Flower Mound , Texas

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Posted: 12/12/20 03:29pm Link  |  Quote  |  Print  |  Notify Moderator

Not trying to be a wise guy but did you check the bulbs. When I got my RV both bulbs were burned out.


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wing_zealot

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Posted: 12/12/20 03:33pm Link  |  Quote  |  Print  |  Notify Moderator

Sounds like you have no power coming into the fuse.

hpdrver

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Posted: 12/12/20 06:36pm Link  |  Quote  |  Print  |  Notify Moderator

First thing I did was replace the bulbs. No power to fuse seems probable since red bulb does not light when fuse is removed. Your suggestions confirm this possibility so next step will be to look at distribution box connections. Thanks

BurbMan

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Posted: 12/12/20 07:27pm Link  |  Quote  |  Print  |  Notify Moderator

Check the ground at the fixture...typically the neutral wire is just pop riveted to the tin metal on the back of the fixture and corrodes easily. Common issue with tail lights also. Lack or ground in the circuit would prevent that "fuse out" light from working normally.


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CharlesinGA

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Posted: 12/12/20 08:59pm Link  |  Quote  |  Print  |  Notify Moderator

The red fuse warning light will NOT illuminate if there is no load on the circuit. You have a wire disconnected or broken.

Charles

hpdrver

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Posted: 12/13/20 09:24am Link  |  Quote  |  Print  |  Notify Moderator

Checked power to fuse and it shows 12v power. Next I checked light and 12v power is going to one side of switch but does not show any 12v power to the other side of switch when switched on.
If I am checking this correctly, the switch is bad so fixture needs to be replaced. Would this bad fixture cause the problem with the red fuse light not coming on when fuse is removed? Thanks

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