Dodge Truck Alternator Wiring

After studying the wiring diagrams i discovered that per the dodge factory service manual a 35 amp was standard while a 60 amp heavy duty alternator was optional and the wiring was different for that option. The alternator on your dodge whether it s a car truck or van is an essential piece of its electrical system. For example with an improperly functioning alternator the battery will quickly drain.

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The green wire goes.

Dodge truck alternator wiring. I have been running a 60 amp alternator for about 8 years now. It doesn t matter which wire goes where but the red or blue wire needs 12 volts when the key is on. On a dodge alternator the two small wires go to the voltage regulator. Charge wire connects from the alternator to the battery through the the resistor or directly to the key switch itself switched side.

Nowadays 60 amps would be small and 100 amps is common. In fact if the alternator is not working perfectly your dodge will soon begin to experience serious problems. This wiring conﬁguration will excite the alternator to start charging when the engine is running at low rpm s. Dodge alternators ground themselves through their case except 100 amp alts through the bracketry the engine block then finally to the battery negative terminal through the negative cable â the 100 amp alternator has a ground wire running from the alternator case to the engine block alternator bracketry â the first thing to check in any no charge condition is to make sure the battery negative cable which should be bolted to the engine block or head is in good condition the ends are.