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Old 06-09-2020, 08:00 AM   #20
CarolinaHD
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Join Date: Aug 2017
Location: Cabarrus
Posts: 406
Re: Bosch Hydromax brake booster info

Question for any of yall that has an inoperable motor;
Have you tried connecting power directly to it to see if the motor is good? Could be an issue in the electronic module, bad flow switch, or bad relay.

For my back up motor I plan to use a relay, momentary push switch, and mount it where the cigarette lighter goes. I cant find any junkyards willing to pull out that brake harness and module without cutting it up...
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1967 C50 292ci Lumber truck
1967 C50 292ci Dump truck
1967 C60 366ci Fire truck

Last edited by CarolinaHD; 06-09-2020 at 08:25 AM.
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