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Old 05-08-2019, 01:43 AM   #1
mything2
 
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Default Fog light switch replacement help

I have a 2007 Airstream Interstate and I believe I have a bad fog light switch but cannot see a way to remove and replace the switch without first taking apart the dash components.
To back up a bit, my conclusion about a bad switch is due to no power on the circuit feed to the fog lights. Iíve checked the fuse panel and itís OK so Iím ASSuming itís the switch.

Any ideas and/or procedures appreciated.

Dan
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Old 05-08-2019, 08:58 AM   #2
Cheyenne
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Default Re: Fog light switch replacement help

Dan,

The fog light switch will almost certainly be the standard MB fit so you would do better asking on the T1N sub forum (I note your 2007 AI is actually on a 2006 chassis).

Keith.
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Old 05-08-2019, 07:21 PM   #3
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Default Re: Fog light switch replacement help

The fog lamp switch on a T1N feeds a relay. If the relay coil has failed, you'd also see no fog light action.

The switch is a SPST (single pole, single throw) non-momentary (i.e. when switched ON, it stays on), with a light.

In the 2006 service manual, the switch is shown on page 8w-50-9, and the relay and lamps on page 8w-50-10
The switch/relay and the lamps have separate fuses.

--dick
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Old 06-22-2019, 03:16 PM   #4
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Default Re: Fog light switch replacement help

Quote:
Originally Posted by autostaretx View Post
The fog lamp switch on a T1N feeds a relay. If the relay coil has failed, you'd also see no fog light action.

The switch is a SPST (single pole, single throw) non-momentary (i.e. when switched ON, it stays on), with a light.

In the 2006 service manual, the switch is shown on page 8w-50-9, and the relay and lamps on page 8w-50-10
The switch/relay and the lamps have separate fuses.

--dick
Dick- TUVM for your reply. Although my RV is a 2006 model year Sprinter, itís a 2007 Airstream buildout and the fog lights were added during the RV conversion so thereís another fuse location...thatís what Iím trying to locate....itís somewhere in the engine bay Iím told by a local Sprinter mechanic. Any idea how I can locate it?
Dan
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