Breakaway switch and brake lights
Yesterday, I replaced the cable that connects the 5th wheel to the 7 pin connector on the truck. Luckily, the cable I ordered used the same color scheme as the existing cable (I tested old and new ca...
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Thank you all for your replies! I will try the compass test and report back. I think I understand why the brakes don't hum with the breakaway switch activated vs the brake controller--DC vs. PCM. The brakes don't click because the wheels aren't moving. I'm not yet convinced about the brake lights but if the compass test shows the brakes are activated, I'll be happy! ;)
