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Porsche TSB #122-A4N7P-09
2003 Porsche Cayenne
TSB Document:
Affected Component: TRAILER HITCHES
- Summary
- Information: A Cayenne with optional equipment no. 1D6 will come with a Trailer hitch receiver and wiring up to the receiver hitch that includes a control unit to operate the trailer parking lights, turn signals and brake lights. The Cayenne is also pre-wired for a brake controller. You will need to do the following to hook up the trailer electrics and/or an electric brake controller:
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