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HI
I bought 8 reverse sensors (front,back) and i have a question
One of the cabel (RED) must go to ACC point. Where it ACC and how to connect ?
Thanks ,Dominik
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without the model/year of your astra its a tough question and i don't have the information anyway, but basically ACC is accessories, which is where the ignition goes to just before the ignition is on with dash lights lit etc., so you need to track that wire down from the rear of the ignition switch it probably goes to a fuse on the fuse block, you can cut into there from the fuse side not the live side and wire the sensors in there. if you don't know much about car electrics and it is a newer astra with computer etc this can be a risky business. pay an auto sparky they wouldn't charge much for that and you can go to bed at night knowing you won't wake to a smouldering heap in front yard. to say nothing of forking out a grand or two to fit a new computer.
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Rear ones generally derive their power from the reverse light globe wiring, so they're only active when the car is in reverse.
Front ones need to go to an accessory or ignition feed, as they need to work when creeping forward. Simplest place for a novice to source that feed is from the cigarette lighter centre pin.
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Cheers,
Mick
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Rank: Member
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In this case it is turned on when the car is not moving.
Which is the fuse from the alternator. This model Holden Astra Citi 2002
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