TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 3479.

Affected Component: SERVICE BRAKES, HYDRAULIC

Summary

LOCATION OF AUXILIARY BRAKE CONTROL HARNESS/WIRE U86 OPTION. *TT UPDATED 12/2/08. *PE

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