As far as your cluster, fuse box and harness. There are part numbers on them. Or a forge clock on the castings. But I don't know if there is any date coding on them. Someone here might know better.
That is an in general diagram for a one speaker radio. Ignore the back. The plug for the back might not be the if not equipped. Green and black wire is what you need to look for.
Below is sound information from MoparCarGuy. He can confirm or deny or correct what I posted. Hope this is start for you.
To decode a broadcast sheet. If you found 70 there are some differences. Codes would be the same. The lines 1 and 2 are the in general build info. Lines 3 to 6 In the...
That is a nice little town. I worked an 11 mile stretch of road west of that town, right to the Ohio line. 358. I always tested it to make sure we were doing a good job. My odometer tripped 1,500 miles in a 5 day week.
I think he understands that now. He needs to find something on the Acc side of the ign sw. Like the radio or under the column by the plug. I think his harness is wacked a bit and has to figure it out.
Just to the right of the green circle you can see the black plug from the factory harness. It come out of the harness in green the circle area. That is power for the gauges. Any thing that powers up in the Acc position would work. It doesn't draw thar much power.
If you look at the diagram with...