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Old 05-08-2019, 01:43 AM   #1
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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 Ferguson
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Old 05-08-2019, 08:58 AM   #2
UK 2004 T1N 313CDi
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Default Re: Fog light switch replacement help


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).

2004 UK Spec 313CDi (OM611 2.2 litre 4 Cylinder Manual Non-ABS)
Auto-Trail 'Cheyenne' Coachbuilt Motorhome
36,000 miles from New

Sprinter reference info site http://diysprinter.co.uk/reference/
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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.

2005 T1N 118" Freightliner 2500 Passenger Wagon (2.7L, 15" tires, standard (short) roof)
Get YOUR Sprinter's full configuration datacard by entering your VIN to https://www.datamb.com/
http://diysprinter.co.uk/reference <-- lots of service documentation, Thanks to Jens Moller and Arnie_Oli
((as always: this post may go through a couple of post-posting edits... so maybe give it ten minutes before commenting))
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