holdmypocket
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I just installed a 130 amp JBG one wire alternator (I believe it's a 3g with a self-exciting internal voltage regulator) and have a couple of questions:
1. With the truck running, voltage at the battery terminals is 14.5v. The voltmeter gauge I have installed under the dash (taps into the fuse box) only reads 13.5. I think this is fine and good but just wanted to double check.
2. With the one-wire set-up I only needed to run a heavy gauge wire from the alternator to the positive post on the battery, and then I was able to get rid of the external voltage regulator and all of the associated wiring. After removing that wiring I found I needed to run the following wires as shown in the pictures below and am unsure about C)/the yellow wire:
The truck runs, starts up, all of the accessories/lights/etc work so I'm not sure what that yellow wire with brown stripe is. My GUESS is the in-dash-cluster ammeter but was hoping someone knew the answer.
1. With the truck running, voltage at the battery terminals is 14.5v. The voltmeter gauge I have installed under the dash (taps into the fuse box) only reads 13.5. I think this is fine and good but just wanted to double check.
2. With the one-wire set-up I only needed to run a heavy gauge wire from the alternator to the positive post on the battery, and then I was able to get rid of the external voltage regulator and all of the associated wiring. After removing that wiring I found I needed to run the following wires as shown in the pictures below and am unsure about C)/the yellow wire:
A) Red wire going to a heavy gauge wire with an inline 20-amp fuse (replaced a less clean version of what was already there) to some junction on the fender well.
B) Thick Black wire with Yellow stripe spliced directly to the stock fusible link going to the starter solenoid. (I'd like to just replace this with a big enough inline fuse but not sure what amp fuse to use.)
C) Thin Yellow wire with a black or brown stripe that isn't hooked up to anything now that I've removed the voltage regulator/alternator wiring.
The truck runs, starts up, all of the accessories/lights/etc work so I'm not sure what that yellow wire with brown stripe is. My GUESS is the in-dash-cluster ammeter but was hoping someone knew the answer.