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Rear spoiler controller actual position in car.

iangray100

iangray100

PCGB Member
Member
Hi ,

You should find the controller if its a UK car in the top of the front passenger side foot well ( on the right underside of the dash ) , should be Black and approx size of a cigarette box .

Are sure its not a micro switch, motor or the gearbox on the spoiler as the gearbox seize due to water getting into the bearings .

 
I will have a look later for the controller, thanks for replying. Don't think it's the motor as took off and put some power on it and it spun. The micro switches are clicking so seem ok and the gear box seems ok as I spun the drive cable manually and the spoiler raised and lowered. The spoiler began working intermittently and then stopped in the up position.

 
ok , I read somewhere on rennlist I think ages ago , the relays go in the controllers in the end

Not cheap as you would expect ;-)_

 
Hi there all. Just wondering if anyone can tell me where exactly on my 1990 C4 this is situated. Part number 964.618.212.00 to be exact. My spoiler is stuck in the up position and I believe the controller is the cause. Thanks in advance.
 
I actually found the controller under the drivers seat. Waiting for an electronics engineer to come back from holidays to do a repair by replacing a transistor, which seems to be the usual culprit when these controllers go wrong. Rennlist have a lot of information on this type of problem.

 
As it is an early type, not the PIC controller, it is probably worth just re-flowing all the solder joints first. and then as you say most of the components can be replaced. You could try the speed mod if you are keen! Much prefer mine up at 70, down at 20. Good luck

 
Just to follow up on this. I extracted the controller and decided to ask a neighbour who is an electronics expert to have a look and test some of the components making up the controller. It didn't take him too long to find out that the contacts of one of the relays were welded up and everything else was ok. So I have found an exact replacement on eBay Germany and am awaiting a reply from the seller with an invoice for the total cost of getting it to me. Will post up when there are more developments on this.

 
Update on this. I received the relay from Germany, after having to send the seller another 10 euros through the post. After paying for the relay directly to the sellers bank in euros, 10 were deducted by the bank, probably as a handling fee. What a swizz! Anyway, I took the relay to my neighbour and he fitted it there and then. Today I refitted the controller and decided to test it on the road, after doing a quick test on the manual switch, which worked ok. Out on the road it worked perfectly! I have taken a few photos and hopefully can upload them, maybe only one at a time!

 
View of where the controller is located under the driver's seat. I didn't take the seat out, which would make it a lot easier to take the controller off the plate. There are 4 screws which hold the plate in place and a single small hexagon headed screw which holds the controller in place. There is just about enough room to get the controller off the plate without taking the seat out, but you need to be a bit of a contortionist to do it!

 
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