1972 Duster wiring troubleshooting
They are by far the best to refer to.
'72 may also have some cable and wire routing drawings.
The ammeter is a part of the battery power feed. There are two different colors used to insure the ammeter reads the correct direction.
When the wires are connected, black is hot, just like the red is hot.
The black wire is connected to the MAIN JUNCTION. This is a WELDED SPLICE.
Everything connected to the welded splice is hot.
With the key off, there should still be power at the fuses for the dome light, brake lights, tailights. There should also be power for the headlights (no fuse - circuit breaker inside the headlight switch).
If none of them have power, then the break is in the circuitry before where they all join. Right?
The factory shop manual for your year. For the wiring in '72, whether its a Dodge, Plymouth Service Manual doesn't really matter.
They are by far the best to refer to.
'72 may also have some cable and wire routing drawings.
No.
Is the other side of the ammeter connected to the main splice?
The ammeter is a part of the battery power feed. There are two different colors used to insure the ammeter reads the correct direction.
When the wires are connected, black is hot, just like the red is hot.
The black wire is connected to the MAIN JUNCTION. This is a WELDED SPLICE.
Everything connected to the welded splice is hot.
With the key off, there should still be power at the fuses for the dome light, brake lights, tailights. There should also be power for the headlights (no fuse - circuit breaker inside the headlight switch).
If none of them have power, then the break is in the circuitry before where they all join. Right?