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The mkiv Supra Owners Club

Heated seat switch connector


Iky

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For anyone else in the same predicament, I got hold of the partnumbers -

 

Quantity 1: 90980-10933 "HOUSING, CONNECTOR 6 PIN"

 

Quantity 6: 82998-12440 "TERMINAL, FEMALE"

 

The terminals seem to be the ones for coil pack connectors but with a little modification they will fit fine. Connector was around a fiver, the terminals were around the same EACH! :shock: so cost about £40 all in.

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Some more info usefull for retrofitting heated seats.

 

The OEM seat heater switch is just a push-on push-off switch. The OEM switch just connects a common lead (power) to an output lead (the heater or heater relay) and lights up the internal LED. There are 2 output leads and 2 LEDs (normally for left and right seats).

 

Here are the pinouts for the switch:

 

1: ground

2: power to LH seat heater (when button pressed)

3: illumination negative

4: main power in

5: illumination power

6: power to RH seat heater (when button pressed)

 

For the "illumination negative" wire, it's best to run this to a similar wire, like the one on the cigarette lighter. This is not a true ground...it is controlled by the dash-light dimmer knob so that the switch backlight will dim with the rest of the dash lights.

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