Overdrive wiring diagram.....please!

Series 1 and 2 MOD XJ6 do…

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I didn’t use the gear knob. I have a dashboard switch

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Hi,

Me too, I had a Lucas switch for it on the radio facia of my ex S1 2+2. (#1E76372BW)

I have the original one on my S2 XJ6C (#2J50041DN) shifter, but that is good for an XJ only IMHO. It looks so out of place in any sports car, like an XK or an E-type. YMMV.

Cheers!