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Tempomat (Cruise Control) Tester 126 589 05 21 00

Ron500E

Keyboard Warrior
Member
Test adapter for E-Tempomat for examination of all peripheral components of electrical Tempomat.
Models 107, 123, 124, 126, 201
 

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Ront went AWOL years ago, but no, these items are not for sale. He was just posting the information for reference.

This particular tester is sort of useless as it only confirms voltage supply and function of the switch on the column, i.e. the inputs to the cruise control module used on non-V8 models.

:gsxrepc:
 
No, I have w201 2.5 turbodiesel. I added cruise control 2 years ago. It was oryginal from the same car. Last month I sow that my cruise control level have some problem, I bought new one but cruise control stop working. And now I looking some advice. I have the same problem in my W123 300D Turbodiesel
 
No, I have w201 2.5 turbodiesel. I added cruise control 2 years ago. It was oryginal from the same car. Last month I sow that my cruise control level have some problem, I bought new one but cruise control stop working. And now I looking some advice. I have the same problem in my W123 300D Turbodiesel
The most common failure is the control module, aka "amplifier"... have you replaced that? Old ones often fail and need to be repaired. The switch/stalk is a rare failure, as is the actuator on the engine.

M119.97x/.98x engines have cruise control managed by the E-GAS (with ASR) or T/LLR (without ASR) modules, completely different from non-V8 models.

:klink:
 

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