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  #1  
Old 04-03-2000, 12:25 PM
jmarenas
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i have a 93 300 te 104 motor,,,the driver lock fails to lock other doors whereas the other locks activate every thing fine...my mechanic took out the driver lock it is fine then to the main pump it is fine now he thinks its a wire some where???? the only lock is the drivers that is a problem every thing else is fine....
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  #2  
Old 04-03-2000, 06:21 PM
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Join Date: Mar 2000
Location: Gainesville FL
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The activity of the door lock switch is very simple. By watching the signal at the door lock pump it should be easy to verify.

In the unlock position the blue wire will be hot. In the lock position it will be ground. The same signals are on the green wire for the right door and the yellow wire for the trunk.

------------------
Steve Brotherton
Owner 24 bay BSC
Bosch Master, ASE master L1
26 years MB technician
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  #3  
Old 04-03-2000, 10:06 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I have seen these switches fail altogether or loose a ground. It can be checked and repaired by a tech easily.

------------------
Benzmac:
Donnie Drummonds
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
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  #4  
Old 04-04-2000, 08:33 AM
jmarenas
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quote:
Originally posted by jmarenas:
i have a 93 300 te 104 motor,,,the driver lock fails to lock other doors whereas the other locks activate every thing fine...my mechanic took out the driver lock it is fine then to the main pump it is fine now he thinks its a wire some where???? the only lock is the drivers that is a problem every thing else is fine....

it was a loose ground wire 2 hours later......thanks for reply
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