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Old 07-22-2002, 03:19 PM
Registered User
Join Date: Jun 2002
Location: Monrovia, CA
Posts: 490
Still need help w/trailer wiring


I'm hoping that someone might know where I can find a source of a "T" connector trailer wiring adapter for my '86 300E, or at least where I might find some electrical connectors that are compatible with what's on the car so I can make my own adapter. I'm trying to avoid the use of Scotch-Lock connectors if at all possible. Any other ideas would be greatly appreciated.

Thanks for any help

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Old 07-22-2002, 10:49 PM
Registered User
Join Date: Jun 2000
Location: Saugus, CA USA
Posts: 1,974
For whats its worth

I took out the tail light "light bar" and soldered some wires to the back of it, then to a connector. It's mate I wired into the trailer harness.
5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)
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Old 07-22-2002, 11:31 PM
Ashman's Avatar
Service Advisor
Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,748
pep boys sells a trailer wiring kit that does not put a load ont he car's electrical system as it is wired with its own power formt he battery.

I just bought one for my dad's 97 Range ROver 4.6 hse. so we can wire upt he trailer to it, even though we have my brothers 1993 range rover 4.2 to tow it.

'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.
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Old 07-23-2002, 02:00 PM
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Join Date: Apr 1999
Posts: 2,632
Alon- is correct, get the trailer wiring kit that senses but doesn't place a load on your taillights.

Placing a load on the tailights will cause problems with cruise control and the Lights-out monitor.

I installed the above kit in our 1988 wagon.

I tapped into the tailight connectors and powered it via the sunroof motor (yes I installed a fuse) positive (+) lead, instead of running a power lead all the way to the front of the car. Works like a charm, and no problems.

:-) neil
1988 360TE AMG
1993 500E
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