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Old 09-27-2003, 03:10 PM
81Wagon 81Wagon is offline
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Join Date: Sep 2003
Location: Santa Barbara, CA
Posts: 471
w123 keyless entry wiring

I'm in the middle of wiring up a keyless entry system for my 81 300TDT. I had no problem installing and hooking up the actuator to the control unit, and the control unit to the ignition and dome light. The system works beautifully so far!

My problem is, I haven't been able to figure out where to hook the relays up to the parking lights and the horn. I had a wiring diagram and I thought I'd found the right spots but it appears not, and I've since had to return the wiring diagram to the person I borrowed it from.

Is there anyone here who has done this already that can tell me where I want to hook up for the horn and parking lights? Thanks!
'81 300TD Wagon 355k (Miss Diesel)
'83 300SD 180k
'84 500SEL 190k (Parting it out)
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