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How to Test HydraStar HBA-CAM Module with Multimeter

Question:

I would like to test a HBA-CAM 381-7073 and a HBA-CAM 381-7063. We have used both of these modules on our trailers and I need to know how to test them to see if theyre still good. Is there a way to test one that is installed or uninstalled? Thanks

1

Helpful Expert Reply:

Essentially the adapter part # HBA-CAM is designed to simulate amperage draw of a brake magnet by use of resistance. So you can use an multimeter like # PTW1714 set to read amperage to probe each wire of the adapter. As long as you are seeing over 7.5 amps the adapter would should allow a brake controller to think a trailer is connected.

helpful expert reply by:
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Jameson C

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