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Old 08-16-2015, 11:19 AM   #1
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Holiday Rambler Owners Club
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High Beams Works, then headlights shut off until HB turned off


High Beams Works for a minute or less, then headlights shut off until High Beams are turned off. I just bought this rig and this is the first thing to pop up that I thought I should post about. The High Beams switch is factory and integrated into the steering column. It is the same level that is used for turn signals. If you have any ideas please let me know. The YMM should be in my signature.

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Old 08-16-2015, 11:23 AM   #2
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Many vehicles (I am not certain about yours) have a self resetting circuit breaker for the headlights. They are cheap and fail pretty regularly. That is just one of the failure modes.

It is often mounted on the headlight switch. It is a little box that has two plug in blades.


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Old 08-16-2015, 12:28 PM   #3
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^^^^ I concoure with the above statement ^^^^
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Old 09-07-2015, 08:56 PM   #4
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I took the pop-off plastic off the steering column, there is just one big unit there for the HB lever and the Emergency Flasher. No sign of a circuit breaker there. I opened up the light switch and only saw a light switch. I will check that area again, but I don't think I missed it. When I leave the HB on after a short while they flash, dim, shut off then come back on, repeat. I let it do this trying to track it down. So far no luck.
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Old 09-08-2015, 07:43 AM   #5
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I would trace the wires back from the headlight assemblies.

Also, is there any chance that the previous owner replaced the original lights with HID lights, or some other higher amp lights?

Good luck

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Old 09-08-2015, 08:03 AM   #6
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Originally Posted by superlucky View Post
I would trace the wires back from the headlight assemblies.

Also, is there any chance that the previous owner replaced the original lights with HID lights, or some other higher amp lights?

Good luck

Totally agree with tracing wires!

While it is possible that HIDs were installed, they are not "higher amp" once they strike. The initial strike might be twice as much as a standard halogen bulb but that is only for a fraction of a second from a cold start up and no factor once they are fully excited. The fact, they draw lower amps can mess with some headlight control circuits. They are also not compatible with Daytime Running Lights.

The quickest way to see if HIDs were installed is to go to the headlight assemblies to see if there is a ballast installed for each side. However, since this problem seems to be connected to the use of high beams, I'm doubtful that the low beams are the true culprit here.

I'm curious if this is caused by high current when the high beams are selected. If the coach runs all 4 lights when on high beams, excessive current could be possible if after market bulbs of higher ratings than the original specs are used. There is also the possible issue that sub-standard wire gauge was used somewhere in the circuit and also part of the mix. Hey...it is a theory anyway. LOL
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Old 09-08-2015, 08:17 AM   #7
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I would say the CB is inside the headlight switch - usually you need the switch to fix the brealer

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