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On the 1999 Silverado, the factory power lead and the blue trailer brake wire were located under the convenient electrical center on the driver-side wheelwell, under the hood. We located these wires and wired the power lead to the positive battery terminal. We wired the trailer wire back to the six-pin connector at the rear bumper. The instructions suggest wiring the ground wire from the BrakeMate directly to the negative terminal of the battery, which we did by pulling a wire through an existing rubber grommet in the firewall.
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On the 1999 Silverado, the factory power lead and the blue trailer brake wire were located under the convenient electrical center on the driver-side wheelwell, under the hood. We located these wires and wired the power lead to the positive battery terminal. We wired the trailer wire back to the six-pin connector at the rear bumper. The instructions suggest wiring the ground wire from the BrakeMate directly to the negative terminal of the battery, which we did by pulling a wire through an existing rubber grommet in the firewall.  View Related Article

 

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