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  1. M

    97 Blackbox to 01 Express Van 0411 pin-out

    Lextech I want to do a black box to 0411 on my 98 gmc yukon 5.7l 4l60e. My email is [email protected]
  2. M

    98 gmc yukon brakes help! I've done everything

    Swapped a 14 bolt sf in the rear. I had spongy brakes before the swap but figured I'd deal with that after the swap was complete. I decided to put discs in the rear from lugnut4x4.com. bled the crap out of everything and still spongy. Call a brake shop who advises a master cylinder made for 4...
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