[W124] Wiring harness

[Jay Hirsch]

If you were to read all this about  wiring etc., does not say much for  
Mercedes engineering
keep cruisin
Jay H
On Mar 3, 2008, at 11:59 AM, Stadter, Jim wrote:


> Declan wrote:

>

>>  The problems with the early failure of the wiring harness

>> are well documented.

>>

>>   What is not often realised is that the wiring which

>> connects the throttle body to the main harness can also fail

>> causing all sorts of running problems. Perhaps you might have

>> this looked at.

>>

>>  I do beleive, however, that this short section of wiring can

>> be replaced by someone with some skill with a soldering iron

>> - you do not want to have to replace the complete throttle body !

>>

>

> My experience with this issue has been on my E500, so I'll plead

> ignorance

> as to whether the 6 cylinder CE has a similar arrangement.  On the  

> E500,

> the

> throttle body (a.k.a. Electronic Throttle Actuator (ETA)) has internal

> wiring that

> also degrades due to the typical biodegradable issues with this era of

> MB.

> There's a good website run by Jim Forgione that talks about a lot of  

> the

> issues

> with the early '90s cars, and I remember seeing a picture on the

> site that shows the internals of an ETA and what the wiring looks like

> on a bad one.

> Based on that, I wonder whether replacing just the leads to the  

> throttle

> body would

> be sufficient.  A new ETA ran me $1200 from Caliber Motors a couple of

> years ago.

>

> When I replaced the upper and lower harness on my car, I wrapped both  

> in

> Firebraid

> with the hope of providing additional heat insulation to slow down the

> degradation.

> http://www.500ecstasy.com/forums/showthread.php? 

> t=3969&highlight=firebra

> id

>

> Jim

> --

> Jim Stadter

> '89 190DE 2.6  241Kmi

> '94 E500

> Austin, TX

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