What happens if I Disconnect the alternator wire?
Nope, because an alternator needs at least some voltage to “excite” the rotating coils. They do not produce electricity by mechanical motion alone, unlike some permanent-magnet generators and even on those, if you disconnect the wire, what are you going to use it for?
What’s the best way to replace an alternator?
If you find any of those issues, you’ll need to replace it. Remove the alternator from the engine bay. With the belt pulled off of the alternator pulley and the wires disconnected, the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it.
What happens if I Disconnect the D + wire on my car?
Battery light therefore switches of, an indication that the system is charging. So if D+ wire Is disconnected, The following will happen. Alternator will lose initial excitation. Alternator will rely heavily on residual magnetism in the field coils.
What are the 2 wires on an alternator?
The two wires in an alternator is for 1 is for key ON mains which receives the battery power through the ECM and conducts through the regulator and returns through the other wire to the light on the dash, which goes off once engine starts spinning the alternator.
What happens if you Don’t Disconnect the battery from an alternator?
If you don’t disconnect the battery, you’re very likely to end up grounding a live wire during the process. This causes cause all manner of bad things to occur — not the least of which is giving you quite a shock. Now that the battery is out of the way disconnect the wire or wires from the back of the alternator.
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.
Is there a way to change an alternator wiring harness?
A small trick is to purchase just the end section (pigtail) from your local parts store or even a salvage yard and replace just that part. This can save you days of aggravation, tracing wires and trying to match exactly what the manufacturer did.
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.