Curt Raymond wrote: > Cheez whiz, I can't believe I forgot, its an '85 190D. > > Okay barring the fact that I need to flush the cooling system.... > > When I tested for power I got +12v on BOTH of the wires... Nothing between > them... > There is some bodgered wiring in the vicinity of where the wires from the > clutch come back into the harness over between the powersteering pump and the > valve cover. > A mystery brown wire was added in at some point I think to force the A/C to > come on while the ACC controller was disconnected (plug fell off, I found it > because I thought the lights were out) this was all pre-me by the way. > > I'll dig some more tonight, maybe I'll pull one of the wires and put a ground > on and see what happens.
If you are measuring the voltage on the pins without disconnecting the wire from the fan and IF the switch complete the circuit to ground (and I believe that is the case in the '85 190D), then there WILL be 12V on both pins except when the switch is closed. Then there will be 12+V on one pin and less than 1 V on the other. Marshall -- Marshall Booth Ph.D. Ass't Prof. (ret.) Univ of Pittsburgh School of Medicine [EMAIL PROTECTED] _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
