On most R/R's theres 5-6 wires. 1-3 yellow or white ones which are A/C inputs.
1 Black Or Green Which are connected to negative on battery. One Red or blue which is connected to positive on battery. And usually one Brown or light green or stripped wire which is a sender unit wire which needs to be connected to a positive (live) voltage, thus sends a voltage to the R/R to turn on the regulator and regulate the right voltage. If the R/R doesnt have this wire its all good.
Another one bites the dust!!!
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