Trailer Wiring Harness Location For 07 RX
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Driver School Candidate
Joined: Jan 2010
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From: AZ
Trailer Wiring Harness Location For 07 RX
Today, I purchased a trailer wiring harness for my 07 RX350 from my Lexus dealer. Thinking it would be a simple installation, I removed the plastic trays in the rear to locate the female module, and I wanted to avoid splicing wires by buying the wiring harness module
The package the parts person gave me said it was for the 330RX and assured me it would fit the 350RX. The wiring module had 4 wires in it. The module found in the 07 Lexus floorboard had only 3 wires within. When I called the dealer, they said there must be another module somewhere and keep looking. Obviously, the wiring harness would not fit. Has anybody else had this same dilemma? I have focused on the left side of the floorboard as that is where a rubber floor grommet is located to thread the harness through. It is very near where I found the 3-wire module (6 inches). What gives? Any help out there?
The package the parts person gave me said it was for the 330RX and assured me it would fit the 350RX. The wiring module had 4 wires in it. The module found in the 07 Lexus floorboard had only 3 wires within. When I called the dealer, they said there must be another module somewhere and keep looking. Obviously, the wiring harness would not fit. Has anybody else had this same dilemma? I have focused on the left side of the floorboard as that is where a rubber floor grommet is located to thread the harness through. It is very near where I found the 3-wire module (6 inches). What gives? Any help out there?
Lexus Champion
Joined: Aug 2006
Posts: 12,581
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From: Illinois
Today, I purchased a trailer wiring harness for my 07 RX350 from my Lexus dealer. Thinking it would be a simple installation, I removed the plastic trays in the rear to locate the female module, and I wanted to avoid splicing wires by buying the wiring harness module
The package the parts person gave me said it was for the 330RX and assured me it would fit the 350RX. The wiring module had 4 wires in it. The module found in the 07 Lexus floorboard had only 3 wires within. When I called the dealer, they said there must be another module somewhere and keep looking. Obviously, the wiring harness would not fit. Has anybody else had this same dilemma? I have focused on the left side of the floorboard as that is where a rubber floor grommet is located to thread the harness through. It is very near where I found the 3-wire module (6 inches). What gives? Any help out there?
The package the parts person gave me said it was for the 330RX and assured me it would fit the 350RX. The wiring module had 4 wires in it. The module found in the 07 Lexus floorboard had only 3 wires within. When I called the dealer, they said there must be another module somewhere and keep looking. Obviously, the wiring harness would not fit. Has anybody else had this same dilemma? I have focused on the left side of the floorboard as that is where a rubber floor grommet is located to thread the harness through. It is very near where I found the 3-wire module (6 inches). What gives? Any help out there?
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