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The mkiv Supra Owners Club

ECM connectors


Lez

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Today I fitted a TRL DSC/SLD unit, but while I was working out which wire to cut on the engine control module I remove the cover from top and middle connecting plugs and started to undo the 10mil bolt between them, but because it was loose I thought it might be some sort of adjuster, the shaped of the cover also suggests so.

 

So I retightened it by hand and put the cover back on because the required wire was on the bottom plug.

 

Can someone tell me what this bolt is for please? I’m really hoping its just to hold the plugs on but……..It sure does look like an adjuster of some sort.

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