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Never "sand" electrical point or contacts. It leaves microscopic abrasive particles in the metal that actually increase the resistance and will remove any contact material from the surface that was put there to minimize arcing or spikes in the signal .... computers don't like that!

I am having a hard time wrapping my head around there being alternately connected-disconnected positions in the clockspring itself. It's not impossible ... but I've never heard of it happening.

There are other ... much more experienced owners here who have been into all sorts of strange-o electrical hobgoblins that I'll now defer to them.....

I've dropped my shiniest dime here ..... and I'm taking an audible.... just don't sand electrical contacts again.
 

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I use MAF Cleaner all the time as I got tired of th4e big price of DeoxIT.

They are pretty much the same product and I tend to lean toward the MAF cleaner a little better.

I KNOW for sure MAF Cleaner is the same as Radio Schlack's Contact Cleaner!
 

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Like TJ said ... if it's damaged, it should pop a code.

As I understand it ... both those washers are totally necessary ... and in the correct position.
 
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