no power after car warm up a little

[67barracuda]

When the car is cold it starts up fine and everything seems ok. But once it gets warmed up and if I shut off the car, When I go to restart it I have not power. I still have power to the starter relay but thats it. Could the fuseable link to the fuse box be bad or bad when it get warm?

[68_Val_Sedan]

ypu sound like a good place to start ... you can see if you have voltage to the fuse block when it is warm to be sure ...

[Jim_Lusk]

The fusable link won't open like that, but you could have a bad connection at the firewall, but make sure you don't have a nuetral safety switch problem. When you crank the engine you will have 12v on the "I" terminal on the relay and ground on the "G" terminal. The wire on the "G" terminal is grounded through the NSS in the transmission. The 12V comes from the ignition switch.

[67barracuda]

I did find that I had a bad connection at the fire wall. I can get enough power to run the fan, water pump, and fuel pump, but not enough to turn over the car now. Also, I didn't have any problems until I hooked up my altenator and not sure the wiring is correct. I'm thinking not sence I now have this problem. Dose any one have a wiring diagram of convertion to an alternator for a generator system.

[67barracuda]

Or dose someone make a wiring harness to the conversion I can just buy.

[Jim_Lusk]

What car had a generator?

[67barracuda]

I thought so for the wiring diagram I saw, it may have been the wrong one?

[Jim_Lusk]

Chrysler came out with the alternator in 1960. They had a single field wire with the other side of the field grounded through the case. In 1970 the field was isolated from ground with two field wires.  The regulator was also changed at this time. I am assuming this is for your Barracuda. Do you have the dual field wires or the single on your car?

[signet]

those little spade connectors in the original bulkhead disconnect can not supply all that power for your new gadgets.

they can barely stand-up to the change to newer halogen headlamps.

it's time to upgrade 

[67barracuda]

Chrysler came out with the alternator in 1960. They had a single field wire with the other side of the field grounded through the case. In 1970 the field was isolated from ground with two field wires.  The regulator was also changed at this time. I am assuming this is for your Barracuda. Do you have the dual field wires or the single on your car?

I have a dual field  wire alternator. It is set up so that one field has a wire running back bolting to the front of the aternator  to ground it and the other connects to the wiring harness dark green wire. Which is the factory altenator feild wire. Dose this sound right?

[Jim_Lusk]

That should work. Make sure your engine is grounded to the body good, too (with a ground strap to the firewall). Also make sure your battery cables are good. Check the voltage on the battery posts, then on the clamps, then at the other ends of the cables. There should be very little variation.

[67barracuda]

Will do, thanks for the help.