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Old 06-17-2023, 12:12 PM   #1
Sir Octobus's Avatar
Join Date: Nov 2022
Posts: 14
Year: 2002
No backup lights or alarm

I have a 2002 Bluebird All American RE and I can't get the backup lights or the alarm to work. I have a Doran Monitor from the original setup and the rest of the lights work (turn signals, brakes, running lights, etc.) but not the backup.

There is a positive hot wire that comes into the unit, and I can get the lights to turn on if I jump the positive wire to those going to the lights/alarm, so I know they work. I just cant figure out why it won't click on when I put the bus in reverse.

Any help will be greatly appreciated.

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Old 06-17-2023, 01:00 PM   #2
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Jolly Roger bus 223's Avatar
Join Date: Sep 2017
Location: Swansboro,NC
Posts: 2,960
Year: 86
Coachwork: Thomas
Chassis: Ford B700
Engine: 8.2
Rated Cap: 60 bodies
i would start with the reverse/backup sensor. most likely on the side of the transmission.
but i dont know your bus either.
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Old 06-18-2023, 11:39 AM   #3
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Join Date: Jul 2015
Location: Montana/Texas
Posts: 681
Year: 1998
Coachwork: Crown by Carpenter
Chassis: International 3800
Engine: 230 HP DT 466e/MT 643!
Rated Cap: 16
And if the sensor is on the transmission like mine is, the engine has to be running for it to work as it is a pressure sensor...

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Old 06-20-2023, 12:03 AM   #4
Sir Octobus's Avatar
Join Date: Nov 2022
Posts: 14
Year: 2002

It's a fuse in the engine bay. It's even marked "backup lights."

Gosh, how simple.
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backup, doran, electrical, wiring

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