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brake booster

  1. Replaced Brake Booster on 02 IS300 5MT. Now car won't crank. Any Help?

    Basic Help & Repair
    Hey Guys, so yesterday I replaced my brake booster with an after market one from Rock Auto. After the install, the car stopped cranking. Already tried jumping it and making sure everything was plugged it, don't know where I messed up and was wondering if anyone has any ideas? I had to install it...