Rear heater wiring question

[68ChargerJMP]

I bought a 97 Limited a couple of months ago. Oddly enough, it doesn't have the rear heater. Even more odd, there is a fuse in the box in the rear heater slot. Not sure if someone put it there as a spare slot or what. I thought this was a good sign of it being pre wired. Unfortunately, that's not the case. Bummer. Could it be spared off somewhere else? Does any one know how I should go about the wiring for this? I mean, I know how to make my own circuit if I went that route, but I want to use the factory circuitry. Does anyone have drawings on that part of the wiring? Thanks.

 

[Kotrin]

I'll work on getting the FSM part of this tomorrow.

 

[TheDurk]

I bought a 97 Limited a couple of months ago. Oddly enough, it doesn't have the rear heater. Even more odd, there is a fuse in the box in the rear heater slot. Not sure if someone put it there as a spare slot or what. I thought this was a good sign of it being pre wired. Unfortunately, that's not the case. Bummer. Could it be spared off somewhere else? Does any one know how I should go about the wiring for this? I mean, I know how to make my own circuit if I went that route, but I want to use the factory circuitry. Does anyone have drawings on that part of the wiring? Thanks.

Yeah, I got that:

 

[TheDurk]

What, so you have the rear core, blower assembly, rear water pipes or hoses, control switch for heat and fan, but no wire harness? or you have the harness and can't figure how to connect it up. Please show me clearly what you have, and we can go from there. I don't want to waste time answering the wrong question....

Basically, the wiring could not be simpler. The relay is mounted on the blower unit. Pin 5 needs a dedicated 10A fused circuit and Pin 1 needs a connection to any good little key-on power source. The white-black wire needs to get grounded to the body. Dassit.

If you have everything except the little harness on the heater, that p/n is 87344-35010.

 

[68ChargerJMP]

What, so you have the rear core, blower assembly, rear water pipes or hoses, control switch for heat and fan, but no wire harness? or you have the harness and can't figure how to connect it up. Please show me clearly what you have, and we can go from there. I don't want to waste time answering the wrong question....

Basically, the wiring could not be simpler. The relay is mounted on the blower unit. Pin 5 needs a dedicated 10A fused circuit and Pin 1 needs a connection to any good little key-on power source. The white-black wire needs to get grounded to the body. Dassit.

If you have everything except the little harness on the heater, that p/n is 87344-35010.

Sorry, I wasn't very clear on what had. I have a spare rear heater(core, blower, pipes, etc.) that I want to install in the 97 Limited, which doesn't have a rear heater at all. I was just hoping that it would have been wired with the plug, since there was a fuse in the slot....just wishful thinking. Thanks Durk.

 

[68ChargerJMP]

Clear as mud....Ok, let me try again. I have the wiring harness on the heater. The truck side wiring is what I was hoping for.