I hate wiring!

[broflow]

I admit that I dislike wiring more than any aspect of working on vehicles. So I had this truck since I was a teenager and now I'm trying to get it working for my teenage son.

So this cab is I believe about an 84ish, silverado trim air conditioning but the ac isn't hooked up nor will it be by me.

Would anyone know what these wires and relay are?

 

[broflow]

I forgot this also. What would this plug on the firewall be for? It looks like a tail lights plug? But my tail lights work?

Also anyone know what this is?

 

[Blue85]

That's all AC stuff, except for that last gizmo - don't know what it's for. The rubber plug with two rubber fingers sticking out goes to the pressure cycling switch that mounts on the receiver/dryer. Obviously you're missing the receiver dryer and it looks like you'll need a new evaporator core to connect one (or cut it off and splice a repair with compression fittings?). The 2-pin connector with the terminals ripped out goes to the compressor clutch. I believe the relay is for cycling the clutch, but earlier models powered the clutch directly from the cycling switch.

Can't see any plug on the firewall - maybe the wrong picture?

 

[broflow]

Bear with me I don't post very often and don't know how to edit my posts when I screw up. Heres the pict of the plug on the fire wall

 

[broflow]

That's all AC stuff, except for that last gizmo - don't know what it's for. The rubber plug with two rubber fingers sticking out goes to the pressure cycling switch that mounts on the receiver/dryer. Obviously you're missing the receiver dryer and it looks like you'll need a new evaporator core to connect one. The 2-pin connector with the terminals ripped out goes to the compressor clutch. I believe the relay is for cycling the clutch, but earlier models powered the clutch directly from the cycling switch.

That's what I was think but wasn't sure

 

[Fastereddie]

That firewall plug is for the tailgate power window harness.

 

[broflow]

I should of given more info, this is a k30 pickup truck cab, so no power tailgate window. Or did the trucks get it and just not use it?

 

[Cucv_M1008]

I didn't use anything out of the bulk head harness save for my fuel tank sending unit, starter (purple) pink for ignition, red for power.

 

[Fastereddie]

I should of given more info, this is a k30 pickup truck cab, so no power tailgate window. Or did the trucks get it and just not use it?

Hmm, not sure then. Maybe fuel tank selector?