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Founding Member 2006
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108,293 Posts

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Founding Member 2006
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108,293 Posts
Discussion Starter · #2 ·
updated with fuse and relay location pics and descriptions
 

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Founding Member 2006
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108,293 Posts
Discussion Starter · #4 ·
Maybe there is no turn signal relay. Maybe it is controlled by the Sams. Just thinking out loud. Seanhump, where are you? :D PM sent to Sean
 

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*DAS/STAR Premium Member
2005 SLK55 AMG
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Morning all ...

The front SAM does look after the turn signals ... there's no relay for the turn signals by the look of things

Do the hazards work ..? (from the switch in the centre of the dash)
 

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SAM = ?

Checked it this AM. Starts right up. No Turn Signals. No Hazards. And no wipers or washer returned to the scene, whereas they were working yesterday.
 

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Discussion Starter · #8 ·

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*DAS/STAR Premium Member
2005 SLK55 AMG
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Apologies - should've mentioned what the were

Difficult to diagnose without hooking the car up to DAS (The computer based diagnostics) and costly to fault find purely by replacing suspected modules (which still need coding with DAS anyways)

Sounds like one or more of the following have been damaged by the reverse power hook up ..

Front SAM
UCP (Upper control panel - has the hazard switch in the middle)

What else doesn't work ..?
The roof switch, mirror adjustments and alarm features (if fitted) all go through the UCP

Wipers and washers are via the front SAM, as are the front lights and a few other bits on the front of the car..

You're going to need a diagnostic session ....
 

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**Premium Member 2012 SLK55 AMG
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Hi @jbanks15 @Seanhump, Looking at the "Fuse Functions" tables from post #1 I notice that some items appear to not have a fuse number. For example front & rear foglights in the fuse number column it says "electronic". I was wondering how these circuits are protected if they are not fused? Are some circuits purely protected via Canbus and not fused as such?
 

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Discussion Starter · #11 ·
Sean will reply but one of our posts I read stated that the fuse is builtin on the unit/light
 

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**Premium Member 2012 SLK55 AMG
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That's certainly not the case with my front fog lights. Unless the filament of the bulb doubles as a fuse! :laugh:
 

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Discussion Starter · #13 ·
maybe foglights connect to another light power source? oh Sean, wake up! :D
 

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*DAS/STAR Premium Member
2005 SLK55 AMG
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Afternoon

The fuse for the fogs is electronic - it's in the Front SAM - it'll reset it's self when (assuming it's been blown) the short is no longer present.
 
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Discussion Starter · #16 ·
 

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Discussion Starter · #17 ·

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Discussion Starter · #18 · (Edited)

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