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Old 04-07-2021, 01:57 PM   #1 (permalink)
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Question How to disable backup alarm in truck/van?

My used GM full-size van came with a backup alarm that's wired to the passenger's side reverse light. I'm all but certain it's aftermarket - How should I go about disabling it?

I'm not very comfortable with car electronics. I don't know much more than to disconnect the battery before futzing with things, as well as basic soldering/splicing skills from playing with simple PCB circuitry projects.

Any help would be appreciated - thanks!

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Old 04-07-2021, 02:26 PM   #2 (permalink)
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Disconnect that wire and put electrical tape over the connector to keep it from grounding to the frame.
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Old 04-07-2021, 02:27 PM   #3 (permalink)
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Find where it's spliced in to the backup light. Cut it there. Heat shrink it, if possible. Electrical tape it off it not.

You could leave an inch or so of stub and clip the heat shrink over that. Wearing gloves, while the heat shrink is still hot, squeeze the closed end together. Done.

Use the self-sealing/waterproof heat shrink tube if you want to be extra thorough.

Not likely to cause a fire if you mess it up and it shorts out. Should blow a fuse first if it does. Then you get to chase down the short and try again to cover it so it can't do it again.
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Old 04-08-2021, 03:20 PM   #4 (permalink)
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Thank you both!! I have no shortage of heat-shrink from circuitry. Iíll be extra throughout and secure it in a way it wonít contact the frame

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