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The 81 has a harness just for the ECM. If you are no longer using it, the whole thing can be removed. Most of the wires on top of the 81 engine are ECM wires. The connectors go to the carb, dizzy, EGR, pressure sensors, airpump. once you find the bundle (comes through the firewall on the...

Mine cranks for a long time whenever I leave it for a long time. I dont think that it is vapor lock. I believe that there is a check valve in the fuel pump that if it is not working correctly will allow the gas to siphon out of the float bowl. Many blame it on the wells in the carb leaking...

Why do you need one? If it is to make sure the EGR works correctly, you can use manifold vacuum like was used on all pre-ECM cars. Redirect the manifold vacuum that goes to the relay directly to the EGR. The car will run fine and the computer will not know the difference If it is for...

I looked forever. I do not think that it is available in the aftermarket. I got one from someone on the boards who was removing all the smog stuff off his 81.

Sorry, I am not at my home computer or I would have pictures. From memory, the two green seals are used, one for the accelerator pump and one for the Throttle Position sensor. there should be two thin silver washers that get staked to hold the seals in. I seem to remember the black one...

I have been saving since last year's Carlisle event to buy Al Knoch seats. He sells leather seats installed on new foam for about $725. I saw them last year and they look really nice. I have enough saved to buy them this year at Carlisle. Good luck

Glad you got it running. That carb definitely needs to be cleaned. Are you going to put the carb and dizzy back in and see if you can get the ECM to work again?

You can put something light and small (Matchstick like) down in the "D" of the carb (opening just in front of the Idle air adjustment screw). It will be sitting right on top of the MC Solenoid. If you put 9v across the terminals of the connector, you will absolutely see it jump. If not it...

A few questions 1) Is the ECM still in the car and operational? Does the CEL go off at all? Are there any codes. 2) Does the car idle OK? 3) Is your complaint the stumble off idle. Does it run OK after the stumble? The Stumble, normally it would be the accelerator pump. So things to...

Let me tell you what happened to me. Same circuit The connectors inside of the fuze block corroded and decayed to such a point that the fuze no longer made contact (at first it was intermittent). All of the other contacts on that circuit where also corroded and pitted. I remember that...

It turns out all I have is a nub where the bracket used to be. I will have to fab and weld another one on. I will need to buy a new valance since mine is been rubbed on the road beyond recognition. I found a used one at Carlisle last year, but the guy wanted $150 for it. I have only ever...

Thank you so much. I am pretty sure that tongues is still on the car, just pushed way up. I will heat it and pull it down and pray it doesn't break. Thanks again for helping me out.

Anybody have a picture -- there is a bracket under the front of the bumper, but the accident has twisted it so much that I have no idea how to begin twisting it back. What shape is it suppose to be. I have looked through the assembly manual a number of times and I can find no reference to...

I have been trying to repair the front center valance on my 81. The car was in a minor front end collision before I bought it, so I am not sure what should and should not be there. Looking at the Assembly manual, it seems that there is no bracket or support on the front (pointy end) of the...

Rear end noise is not my expertise, but I have read a lot that says the rear ends begin to make noise when the fluid has degraded. It only takes a fluid change, remembering to add 4oz of GM limited slip differential lubricant, to stop the noise. I don't know if this is your problem but it is...

Sorry -- I didn't mean to confuse things, I was just trying to point out that unless you are getting a lean or rich code from the computer, that it probably wasn't the lean or rich stops on the carb. Most times it is some external issue -- like vacuum Unhooking the computer definitely...

If the idle changed overnight, I look for a vacuum leak. Did any of the vacuum hoses get knocked off? The e4me runs so nice when everything is right, but it needs everything to be right, especially vacuum. Just my thoughts, check the easy stuff first You mention that it was rebuilt again...

I agree -- the door lock circuit is a little complicated to understand, but in short, if BOTH switches are not working, neither will work, and the circuit is complicated enough that tracing 12 volts around is a little counter intuitive. You can buy switches without the work "lock" for about...

Don't assume that a two year old battery is not dead. Batteries that sit a lot without being used act exactly like you explain. I personally would change the battery, if it does the same thing, put a test light between the ground lead and the battery and then start pulling fuzes until you find...

They are a piece of electronics, while modern electronics lasts a long time, it eventually will go bad. Remember that it is 30 years old. I had one go bad quite a while ago. Easy fix.