Stray wire
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From: Calgary '85 Z51 coupe
Stray wire
Car has been running like crap so I'm going through things again and I find this green wire behind the distributor. Does anyone recognize this? It doesn't seem to plug into the egr unit anywhere.
Last edited by zoro; Jul 11, 2006 at 09:28 PM.
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From: Calgary '85 Z51 coupe
Originally Posted by AGENT 86
If you want to make the motor run better, try hooking up those loose spark plug wires 
"Maybe there is a piece of the EGR harness missing."
It almost looks like the back part of that top tube should have a connector on it.
The only problem is that wire was never hooked on there--I checked early photos from when I got the car--so that isn't the problem as far as the way it is running.
Team Owner
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
Any pic's for this mysterious wire! Might help a little for others w/ the same year! I have a '90 but I'll check mine to see if it helps!
Thanks,Matt
Thanks,Matt
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The only thing around there that would/should have a single barrel conector is the EST, but that would/should be on the other side of the distributor??? That EGR switch it is laying on should have a dbl barrel conector in it but i cant see/tell if it is there from your pic. Has any-one done any mods to the wiring around there that you know of? Maybe they Tried changing the wiring of the switch? This one has me WAY curious.
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From: Calgary '85 Z51 coupe
If the EGR switch is the unit that sits on top of the air intake on the '85 under the plenum, it does have a small wire (maybe some kind of temp sending wire since it has a ceramic end).
Anyway mine is plugged in.
Anyway mine is plugged in.
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From: Calgary '85 Z51 coupe
I got a mirror and looked at the top tube of that egr module and it looks like it has a connector in there.
I will eventually try hooking that up but I know that isn't the main problem. I haven't had any time to dig into it though.
I will eventually try hooking that up but I know that isn't the main problem. I haven't had any time to dig into it though.
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From: Calgary '85 Z51 coupe
Well I found a single wire connector that fits that green wire connector perfectly but it is a black wire--isn't that a ground?
Tried hooking them together but it didn't seem to help anything.
Tried hooking them together but it didn't seem to help anything.
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From: Eagle River Alaska
I believe it is for the EGR pipe temp switch located on the ugly egr pipe. The temp switch should be screwed into the top part of that egr pipe and have a single barrel connector running off it.... good luck 
Racer
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Originally Posted by zoro
Well I found a single wire connector that fits that green wire connector perfectly but it is a black wire--isn't that a ground?
Tried hooking them together but it didn't seem to help anything.
Tried hooking them together but it didn't seem to help anything.
It is the above mentioned egr temp. wire that has a fitting which screws into the egr x-over pipe.
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From: fargo nd
on an '85 the egr temp switch is mounted on the egr valve under the plenum
that is what that connecter is for, if it was unhooked you should be getting an egr code
that is what that connecter is for, if it was unhooked you should be getting an egr code
Last edited by 85 Z-51; Jul 30, 2006 at 02:38 PM.
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From: Calgary '85 Z51 coupe
Originally Posted by James Paradiso
I believe it is for the EGR pipe temp switch located on the ugly egr pipe. The temp switch should be screwed into the top part of that egr pipe and have a single barrel connector running off it.... good luck
Anyway the car is running fine and no codes so I'm not concerned about the wires.
Last edited by zoro; Jul 30, 2006 at 05:47 PM.