wurlycorner wrote:I probably won't be able to look at it till tonight, but on a quick skim, one of the connectors on the el dials should have nothing connected to it (Connector 'A' which is an 8 pin connector I think), so don't worry about one of the things you've posted (the connector that was unplugged).
That's right. That connector is for autos, though for some reason (I did mine about 8 years ago) I do have some wiring going to it. I'm sure I did that for a reason.
Having had a play with mine, it is C3 that feeds the 'dimming of the clocks' to the EL's, it is Red/Blue. C3 is on the upper blue plug on the right of the back of the clocks and looking at the back of the clocks is the third pin from the right. Check for the presence of wiring to that pin and if there that it changes when the lights are on.
A few other things to check, there should be a box in the engine bay fuse box, extreme bottom right (which the manual marks as to dimmer relay P23/42), make sure that is there, though I assume it is as your heater controls function as intended.
BTW, I've converted mine and not had to change any dimmer relays, etc.; although the manual does refer to an A and B type. I think this is a red herring though.