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Old 05-28-2016, 08:21 AM   #1
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Headlights, Dash Lights going off

I am having an issue with my headlights and dash lights and I believe the whole dash for that matter. I don't do much night driving, but we left home about 4:30 Thurs morn and while we driving the lights went out and after about 3-4 seconds they came back on. Did this a couple of times before daylight so after that I don't know if it happened again though I suspect it did. It appears to almost be a two step disconnect(?), maybe my imagination. But it seems like headlights go and a split second later the dash, but like I said, maybe imagination.

All is dead for 3-4 seconds and then it all comes back on. No flicker, not partial it's the whole deal. The little screen in the speedo stays lit. The way it goes off and then returns is almost like it's rebooting for lack of a better description. No rhyme or reason or time frame.

Any thoughts or suggestions??

Thanks, Terry
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Old 05-28-2016, 08:57 AM   #2
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Headlight system in most vehicles , has a self re-setting circuit breaker , so a short in the system doesn't leave you with no lights , they flash so you can see to get the vehicle off the road with some degree of safety.
A short or overload in the headlights ; park lights and taillights are fused separately ; is your problem . Defective headlight switch also possible , C/B is built in to the switch, in most cases.
Have you installed high output headlights ?
What chassis is your coach on ?
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Old 05-28-2016, 11:32 AM   #3
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Suspect your Vansco power distribution systems is getting overloaded/shorted, either by toad or trailer lights. The 6-way plug on the back of your coach or the toad/trailer is good place to check. Also check to make sure the converter box that combines the single amber turn signal lights on your Alpine so its compatible with the two-filament signal/stop light bulbs on your toad or trailer, is still working properly........
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Old 05-28-2016, 11:42 AM   #4
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Years ago, when I work as an Automotive Mechanic if the headlights would go on and off we would replace the headlight switch and that would solve the problem. Although in today’s modern vehicles, it could be anything. I just thought I would give you one more place to look for the cause of the problem.
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Old 05-29-2016, 07:12 AM   #5
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Thanks for the help guys. I'll check the toad wiring connections and make sure things are in the clear.

Does anybody happen to know the headlight switch part number. We're on the road and I have very sporadic wi fi when its available. Searches are hard and even posting is a challenge unless I get up and on line before the rest of the campground.

Thanks Terry
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Old 05-29-2016, 09:20 AM   #6
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Terry, as I said the tail lights are fused separately , so the problem is with the headlights or the switch it's self . I can't help with a part number for your Alpine , but I'll say the part will be a common automotive part . My Newmar uses a headlight switch from a mid 70's Chevy P/U. If you can look behind the dash for the switch , it may look like the photo below , if not post a photo and we'll try and ID it for you.

EDIT: I'll ask what chassis is your coach built on , I should remember what chassis Alpine used , but can't at the moment.
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Old 05-29-2016, 10:30 AM   #7
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Skip,

Alpines are on a Peak chassis, ill see if I can get a look at the switch, I'm thinkin skmebody from the Alpine group will chime in with a part number and some himts on changing the switch, got to a Starbucks so I have decent wi fi for a few minutes

Thanks, Terry
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Old 05-29-2016, 10:35 AM   #8
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Terry , even a picture of the dash showing the headlight switch control ( knob ? ) may help.
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Old 05-29-2016, 11:38 AM   #9
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This part number I have for the Headlight Switch used on the Alpine Motorhome it was provided by another Alpine Owner, FORD Part # F81B-11654 AG.
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Old 05-30-2016, 07:40 AM   #10
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Dave and all,

That is the correct part number for my '05. I got my phone under there and managed to get a couple of decent pics. I now have a pic of the tag and part number and can also see the bracket that they used to mount the switch to the dash. Looks like a pretty straightforward replacement. I do think I read somewhere on here that WRV took the switch apart and added a stud in order to mount it the way they did, we'll see. If need be I'll just let it sit there with a little painters tape until I get home at the end of the month and then make a permanent repair.

I checked the toad light wiring and all seems in order. I am using the wireless magnetic lights and they are working like they should. I'll start with the switch.

As it stands we have no night driving planned the rest of our trip so that's a plus.

Thanks for the help, Terry
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Old 05-30-2016, 07:48 AM   #11
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Hi

This is the Ford part #(s) for my headlight switch : SW5262 or F85Z11654BAA. Whatever you do check the prices. When I bought mine I asked Ford and it was 210$ Napa 166$ Online at Amazon I think it was about 80$. Installation was OK. You have to undo the 2 small nuts from the back of the switch and pull down and remove the 2 plugs from the switch IIRC they have tabs on them that you squeeze and then reverse the procedure to install the new one.
NB: my Alpine is a 2000 so the part may be different!

Geoff
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Old 05-30-2016, 05:48 PM   #12
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So your "magnetic lights" have amber turn-signal light bulbs to match the coach????
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Old 05-31-2016, 07:15 AM   #13
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So your "magnetic lights" have amber turn-signal light bulbs to match the coach????


The magnetic lights use the converter box just other toad lights. I looked it over and when I installed it I had soldered and heat shrank the connections. Nothing looks amiss. I would think that it would either work or not, correct?

All the lights and turn signals are working like they should, plugs are in good shape. All seems right!!
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Old 06-28-2016, 01:55 AM   #14
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Headlight Switch

Re: your headlight switch.

I recently purchased a 2001 Alpine 38 FDDS. My headlight switch had been tightened too much in the dash and pulled the face plate away from the backing assembly, thus the face plate fell off. After several unsuccessful attempts to epoxy the face plate back on and even inserting some small screws through the face plate into the backing assembly, I found a replacement on Ebay, around $55 as I recall. The switch was from a range of Ford Trucks, from '99-00 F-250/350 and the one I bought was from a couple of years later F750 range truck spec.

I did have to move the mounting stud from the old switch onto the new one. The back of the new switch has 4 connection points that you can pry easily to remove the backing off the switch. I had to ream out a little the hole on the new switch to accept the stud and use needle nose pliers to insert it from the inside out into the new switch, then screw on the nut to hold it in place.
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