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The mkiv Supra Owners Club

Do Defis work, half installed?


Ark
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Chaps, I'm half way through installing my Defis - I wired the controller into the clock loom - and wanted to test how successful we had been so far...

 

I have obviously got power to the unit, because it will illuminate on the lighting circuit. However, the one gauge I plugged in does nothing...remember I have NO sensors attached yet.

 

Is this normal? Will it start working when I attach a suitable sensor for that particular gauge?

 

Thanks

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Hmm, I tried plugging the sensor in...still no joy.

 

One thought though - this is a facelift car. Does the analogue clock on a facelift use a different voltage? The wires on the back are certainly a different colour to what I expected. (pin 2 is Red with yellow stripe, not just red; pin 5 is white with green stripe, not blue with red stripe). The other two wires are as expected, and the illumination does work.

 

I haven't got a multimeter to check this, so I think I'm going to buy one when the shops open tomorrow.

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For the benefit of anyone who might be interested, facelift Supras DO NOT have al four wires required, hanging off the back of the clock. There are:

 

Red with yellow stripe - appears to be permanent + ==> Defi Red wire

White with black stripe - permanent - ==> Defi black wire

White with green stripe - ????? ==> XXXX do not use

Green with orange stripe - illumination circuit ==> Defi white wire

 

To get my ignition switched +, I tapped onto the ciggy lighter "blue with red stripe" wire with the Defi Orange wire.

 

Problem solved.

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