Is alternator supposed to be hot?
If the alternator dumps a lot of amps into the battery in an attempt to recharge it but the battery cannot hold the inflowing charge, the alternator can get pretty hot. In fact, it may continue to rise in temperature until is just burns out. Developer of Mk4Build.com used by over 1000 FFR customers since 2009!
What do you use to remove the connector on an alternator?
Remove the nut using the appropriate-size wrench, or loosen and remove the connector tab using the Phillips screwdriver. Do not pull on the wires to the alternator. Damage to the wires may result in a total wiring harness replacement, which can be very costly.
What causes an alternator to get really hot?
High voltage, bad diode, improper alt fan, bad bearing , defective heat sink ,high voltage drop accross alt power wire or ground wire . A few places to check alternator fan, now why didn’t I think of that?
Where does the wire go on an alternator?
This connector is manufactured so it may be inserted into the connector socket on the alternator one way only. If you are able to look at a manufacturer’s diagram of the alternator’s connectors, the wire that slides over Pin 1 of the alternator leads to the positive (+) connection on the vehicle’s battery and senses voltage.
Why is the voltage reading on my alternator going up?
While watching the voltmeter display, start wiggling wires at the back of the alternator, the battery, and the remote voltage regulator (if there is one). If the voltage reading on the meter display goes up while wiggling one of the wires, you’ve found a bad electrical wire or connection.
Remove the nut using the appropriate-size wrench, or loosen and remove the connector tab using the Phillips screwdriver. Do not pull on the wires to the alternator. Damage to the wires may result in a total wiring harness replacement, which can be very costly.
High voltage, bad diode, improper alt fan, bad bearing , defective heat sink ,high voltage drop accross alt power wire or ground wire . A few places to check alternator fan, now why didn’t I think of that?
Where do you connect the alternator to the battery?
Locate the thin black wire on the negative side of the battery. Follow the wire as it joins the wiring harness on the left side of the vehicle and across the top of the motor to the back of the alternator. Locate the connector tab on the back of the alternator. It’s usually covered by a black boot, and the wires run directly into it.
While watching the voltmeter display, start wiggling wires at the back of the alternator, the battery, and the remote voltage regulator (if there is one). If the voltage reading on the meter display goes up while wiggling one of the wires, you’ve found a bad electrical wire or connection.