Troubleshooting No Power to Prodigy P2 Brake Controller Installed in 2012 Dodge Journey
Updated 06/26/2017 | Published 06/24/2017
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Question:
I have no light on the brake controller. I turned the power knob, hit the boost button but still nothing. I cannot find a blown fuse either.
asked by: Mike
Expert Reply:
It sounds like your Prodigy P2 trailer brake controller # 90885 may not be getting the 12V operating power from the Journey's battery.
With a hardwired type of installation this input power is routed from the battery positive terminal through a circuit breaker and on to the controller's black power wire. It is possible that if your installation used a non-resetting circuit breaker that the breaker could be tripped/bad.
You can use a circuit tester like # PTW2993 to check for power on the black wire at the back of the controller. If the black wire has no 12V power signal check the wire on the other side of the breaker to see if power is reaching it. If so, then replace the breaker with an auto-resetting one like 20-amp # PK54520.
If you find that power is reaching the P2's black wire and it is still not activating at all then the unit may be damaged internally and should be replaced.
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on Trailer Brake Controller
