battery voltage question

Spunk said
I am having the same problem "sort of". The battery is located in the trunk and reads 13 1/2 the gauge under the dash is showing less than 11. Now I have the positive from the voltage gauge hooked to the ignition coil. ( I didn't know where else to run it.) I had the alternator tested a while back and they said that it was weak. Could this be causing the voltage drop and could this be the reason that the battery is showing weak at idle? I do have a ground cable going from the engine bock to the frame and the other ground is hooked to the rear fender well (for now). Lemme know what you think. Thanks in advance.

This sounds more like "where you have" the voltmeter connected rather than a charging problem, or maybe an under-dash wiring problem. "For now" a better place would be to tap off an accessory point in the fuse panel, or tap into the radio wire

It might also be that you DO have a drop problem, the age old bulkhead connector, the ignition switch connector, or the switch.

Spunk said
I know its not 1G I am not sure what gauge it is. I do know about the ground and that it needs to be connected to the frame. That's why I said (for now). Also I do not have a voltage regulator either. Why I do not know I bought this car un-assembled and after all this time just realized it does not have one. I am purchasing that today. Do you have under the dash gauges? If so where do you have yours hooked to? Also do you have a pic of your voltage regulator and how it is set up?

First thing to do is determine "if you need" a VR. What do you have for an alternator? If it is a "factory" Mopar, these require an external regulator HOWEVER look for a small chrome box bolted right to the unit. "Powermaster" and others sell a small tiny regulator which converts them to a "one wire" setup

In other words they "look like" and might even "be" a factory alternator..........with an added VR

Otherwise, it will not charge without an external regulator.

If your alternator looks "different" it might be one of the later model "stuff" than has an integrated VR, internally