Need some A/C electrical assistance

[tweak666]

I'm trying to get my A/C to work, but for some reason there is no power getting to the 10amp A/C fuse in the passenger footwell. All the other plugs in the junction are seeing power, fuse is good, breaker is good. Climate control box checked out, blower resistor is good, blower works, but the plugs to the blower and blower resistor don't see any power either. What am i missing? :1zhelp:

 

[jetjock]

The 10 amp fuse is fed from the blower relay, aka the heater relay. It also feeds the plugs you're talking about. Until you get that working you're not going to have power at the AC fuse. Plain as day if you look at the schematic...

 

[BRIAN]

Yep, JJ speaks the truth. Got mine working after looking over the schematics a couple times.

Brain farts can be a bitch...

 

[tweak666]

thanks jet jock, i'm not sure how i missed it before, but i didn't even have the heater relay in the junction block. all better now

 

[jetjock]

Well, there ya go. Interesting bit of wiring in that circuit. Note how the blower is dynamically braked to keep it from freewheeling when off. 'Dem Jap engineers are smart. Anyway, stay cool....

 

[figgie]

funny thing is that the A/C circuit is an entire module (ie you can rip it out and put it in another car as long as it is the entire system, it will work )

Modular electronics for are awesome!

 

[jetjock]

^ Tis true. Much of the car is modular. I transplanted the ABS system from one into an older UK built vehicle. Same with the door lock system.

 

[figgie]

Well I am not ripping the ACsystem OUT per say but it is a HELL of a lot easier to re-wire the system when items like A/C, Headlights etc are modular self contained systems