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  1. W

    What is this?

    I rewired my 77 K10, but the kit I used didn’t have the new wiring for the AC/heat. I used my existing wire, which is what the instructions suggested. My problem is now the blower motor will only work on low speed. It comes on when the ignition is turned on but will not speed up with the...
  2. W

    What are these things? Overhead heat/air system!

    I will add 2 photos that will show my problem. The small wire connected to that block, comes from the air conditioner and then goes through the firewall and connects to these two resistors/relays/fuses, (whatever they are) above the brake pedal. I've already installed a new wiring harness and...
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