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Old 10-29-2020, 12:38 PM   #1
940 16 valve
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Location: Calgary, Alberta
Default 90+ 740 tailight wiring

Anybody rewired their tailights on a 89- car to use the 90+ lights? I know you can buy a conversion harness from HOVA.se but I'd prefer to just hardwire it in. Anybody know which wires go to which pins? (Perhaps from their own conversion harness?
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Old 10-29-2020, 06:31 PM   #2
daniels740
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This is from when I hardwired my '89 744's tail lights.

Driver's Side

Wire Color ------- Pin No. ------- Function

Yellow/red ------------ 1 ----------- Brake Light
Red ------------------- 2 ----------- Tail Lights
Gray ------------------ 3 ----------- Rear Fog Light
Brown ---------------- 4 ----------- Electricity to pass. side Rear Fog Light
Green ---------------- 5 ----------- Turn Signal Light
Black ----------------- 6 ----------- Reverse Light
Black ----------------- 7 ----------- Electricity to pass. side Reverse Light
------------------------ 8 ----------- No electrical

Passenger side

Wire Color ------- Pin No. ------- Function

------------------------- 1 ----------- No electrical
------------------------- 2 ----------- No electrical
Black ------------------ 3 ----------- Reverse Light
Blue/Green ----------- 4 ----------- Turn Signal Light
Brown ----------------- 5 ----------- Rear Fog Light
------------------------- 6 ----------- No electrical
White/Brown ---------- 7 ----------- Tail Lights
Yellow ----------------- 8 ------------ Brake Light
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Old 11-04-2020, 03:38 PM   #3
940 16 valve
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Thanks for sharing. Just picked up pigtails for 90+ lights yesterday so now on to decoding those!
Anybody have HOVA tails with the conversion harness for the other side of the wiring?
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