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2007 XC90 Trailer Brake

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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sfrans
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Joined: 11 November 2007
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2007 XC90 Trailer Brake

Post by sfrans »

I had the dealer install the factory trailer hitch and wiring. I've towed using the flat 4 plug with no problems. I recently towed using the Bargman 7 pin. Anytime I touch the brake pedal it locks up the trailer brakes. I've found the electronic module. No adjustment or instructions.

Is there any way to adjust the trailer brake sensitivity?

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