The canister on the air filter housing that we can see on the pict, the one closest to the air filter can, needs to be connected to a vacuum source, otherwise the flapper called the kritter proof flapper will stay close and the engine will run poorly, or barely, sometimes the canister is non-op, you need to wire the flapper open with zip ties89er wrote:Diving into my wiring issues today. If this any of these look familiar to anyone I could sure use some help figuring them out.
Coming from firewall beneath vacuum reservoir - 3 wire cluster, zebra, green, blue
Wow great to knowletank wrote:The canister on the air filter housing that we can see on the pict, the one closest to the air filter can, needs to be connected to a vacuum source, otherwise the flapper called the kritter proof flapper will stay close and the engine will run poorly, or barely, sometimes the canister is non-op, you need to wire the flapper open with zip ties89er wrote:Diving into my wiring issues today. If this any of these look familiar to anyone I could sure use some help figuring them out.
Coming from firewall beneath vacuum reservoir - 3 wire cluster, zebra, green, blue
I did get a hold of the FSM and found this handy diagram.tgreese wrote:2 & 3 are part of the TAC, described in the TSM. 1 is the vacuum reservoir.
The "kritter flap" may indeed keep animals out of the air cleaner, but that's not its intended purpose. It is connected to manifold vacuum and opens when the engine is running and closes when the engine is shut off. This keeps the fumes from the carburetor float bowl inside the air cleaner, forcing them to be recovered by the vapor control system rather than be vented to the air. It's a smog device.
Take the air cleaner off and look at it. Function of the two flaps should be clear from inspection.
Do you have the TSM for your year? If you don't have it, you should get it and read the section about the emissions devices. Way more information about your Jeep than we could ever cover here. Don't hunt and guess - read the manual.
Thank you. Thanks to the factory service electrical manual I found that the taped wire cluster were all the heater wires missing from the heater resistor.candymancan wrote:The picture with the red fat wire could be the power wire for the fog lights. It wires into a basic 30A relay and then from the relay to the fog lights.
Look for the relay and other wires along the fender wheel well engine bay side usually under all the junk for the cruise control and the washer bottles.
Bur i could be wrong there are a few big red wires there.. but i know the fog lights have one big fat red wire
The solenoids on the air hat require delay valve along with the vacuum lines.. If youre missing the coin shaped valves then you have more of a problem then just vacuum lines. Youre also missing the t line for the filter on the side of the air hat... Probly missing all the other delay valves... To be hinest as i ssid if you dont have emissions take the air hat off buy an open air filter one from autzone.. and be done with it. Your Jeep will run lile crap with the flapper closed
The blue wire by your blower motor mine has no blue wires around there.. so no idea what its for... follow it and see ? That big fat hose on the blower motor is disconnected as well plug it back in the hole on the firewall around.
Black wire under the Jeep in the back... never seen that before.. its probly just a frame to body ground someone added on.
Because I pulled one a few months ago from an 86, but still a wild guess by the shape of the connector and the number of wires, looks like the AC wiring to the sensor on the driver's side AC conduit. There was change with the 86 year model because of the integrated climate control. Wire control might be different too.89er wrote:
3. (no idea)
courtesy light?89er wrote:
1. (Appears to go to the instrument cluster and across the dash to passenger side)
Thanks letank, that's just what I suspected. When I plugged that connector into the AC blower switch I immediately smelt burnt wiring smell and unplugged it. As I detailed in another threat ( http://www.fsjnetwork.com/forum/viewtop ... 10&t=15871 ) there was wire melt under the dash at some point so I'll need to iron all those out before trying it again.letank wrote:
Because I pulled one a few months ago from an 86, but still a wild guess by the shape of the connector and the number of wires, looks like the AC wiring to the sensor on the driver's side AC conduit. There was change with the 86 year model because of the integrated climate control. Wire control might be different too.
If you are really keen on this rig, sometime buying the proper year manual is key. I have one for the 74, got a good deal on a 78 TSM that has a very good description to debug the gauges which is not on the 74 TSM. The generic like the Haynes is good because it has more of a beginner's view, it gives more details, better pictures, I have one of these too.
The TSM are a lot sharper for the electrical system.