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How to find the 12 Volt ACC power source in the fuse box

Model: (Various brands) Various
Part: Fuse box

In this video we can see how to find the 12-volt ACC power source in the fuse box of our car: for example, if we need to install daytime running lights, each wire has labels indicating where it should be connected: the black wire to ground, the yellow one to the turn signal indicator, and the red one to the ACC, so we need to identify its position inside the fuse box. We connect the black wire to ground, open the fuse box to look for the ACC which is the accessory power position, only when the engine is running, but for testing purposes the engine must be off and the key removed. We take the red wire and touch it to the empty positions. If the DLR lights up, it means it is not an ACC. If we haven't found any position, we need to remove one of the less important relays and use PIN number 1 as the ACC position. The wire comes with a pin, which in this case must be cut to connect it to the relay PIN. We start the engine for a test, which is successful.

Posted on 11 January 2025 by ScegliAuto

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by ScegliAuto

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