Turn on battery switch.
Positive battery cable to alternator.
A loose connection can do it.
The alternator charges the pass battery and the ecm monitors the ds battery so when the cross over cable is bad it boils the pass battery 05 c c drw 4x4 full billet dtt billet62 s480 ppe dual fueler hp tuners flux inj studded ported head w hellmann intake hamilton valvetrain mitusa gusher 5 flo pro mag hytec dd trans and rear diff guages.
Install a jumper from pin f in harness plug to b terminal on alternator.
Acdelco 4sd54x professional 4 gauge positive side terminal battery cable with auxiliary leads.
Reconnecting battery cables generates a second spike.
A bad battery can do it.
Some may recommend running the engine with the negative battery cable disconnected to test the alternator.
To do a quick check on an alternator i was told that you could start the car and then remove the negative battery cable.
Connect b battery cable to alternator.
Fixing your battery or alternator can be an expensive repair.
At least not on a modern vehicle with computers.
Dear tom and ray.
Never test an alternator by removing battery cable.
Get it as soon as thu sep 24.
However this is not a good idea because it could damage the electrical system of your vehicle and cause greater problems.
4 3 out of 5 stars 11.
If faced with electrical issues it is always a good idea to clean up your battery cables and check your grounds first before buying at replacement components.
4 6 out of 5 stars 4.
As others have stated by contrast with a generator the alternator is designed exclusively to recharge the battery.
A scraped up wire can do it.
Acdelco 20943125 gm original equipment alternator battery jumper cable.
Doing this would allow you to check whether the alternator is putting out enough current to run the vehicle.
Have the alternator tested and replace the battery.
The alternator charge wire routes direct to the battery and not through any switch connection the alternator will not operate correctly if not connected direct to battery or directly through the ammeter.
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