are there any after-market wiring harnesses available? Seems like it would be a business waiting to be discovered?

I assume more than MB are affected? BTW, Is my '91 300D covered by the biodegradable problem?

LarryT
91 300D

On 8/3/2013 7:53 PM, Kaleb C. Striplin wrote:
Yep, I have seen a few cars like this. My 92 SD had this problem, replaced it when I pulled the engine to do the rod replacement. This car has it but I am baffled why the thing costs double what one does for a 140 diesel. I have another 92 SD in the back that the wiring harness is all hacked up, It appears it had the problem and somebody just started splicing in new wires. When I get to that car it will get a new harness also.
On 8/3/2013 6:49 PM, Dan Penoff wrote:
The harnesses are so bad when they decompose there is no way you would ever figure out what's going on without replacing it.

I never experienced anything like this until I replaced the bottom engine harness in my S500. If there is any insulation it literally falls off the minute you move anything or touch the harness.

How MB got away with not getting hit with a class action suit on this I can't understand. I have to believe there had to be some cars that went up in flames as a result of this.

Dan


On Aug 3, 2013, at 7:42 PM, Kaleb C. Striplin wrote:

So messing with the e300 again as you know last update ac compressor now kicks in. Today I was running it to test vacuum stuff and compressor was randomly kicking off and on, very much like an intermittent contact or something. I pulled the complete manifold to take a better look at the wiring harness. it is screwed. The engine harness and the glowplug harness both really need to be replaced. I think I am just chasing ghosts with this compressor deal until I replace the harness. I am assuming the engine harness connects to the compressor rather than it being a separate harness, it appears to go into the main harness. So, I guess I am going to have to order a new harness before proceeding. I replaced both of them on my 92 SD and the main engine harness was only a couple hundred. On this car it is over $400, wow. Also I tried a couple of glow plugs while messing with it and they seem really be in there tight. I did not crank on them very hard to loosen but seem tight on the 2 I tried. They may not be bad, it could be the harness causing the glow plug light to come on sometimes and sometimes not. I noticed the #1 wire had come loose from the glow plug.

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