Wiring pinouts for 86-92 Firebird electronic dash cluster
upper
1 park brake
2 ground
3 dash lights
4 N/U
5 N/U
6 N/U
7 left turn
8 high beam
9 right turn
10 fuel gauge
11 (left spot beside voltage gauge)
12 (jumper to 12V from lower connector)
13 SES
14 shift		 wire - upper
1 tan/white
2 black
3 grey
4 -
5 -
6 -
7 light blue
8 green
9 dark blue
10 pink
11 -
12 -
13 dark brown/white
14 tan/black		 lower
1 tach
2 ground
3 dash lights
4 choke
5 temp gauge
6 (left spot beside temp gauge)
7 N/U
8 oil gauge
9 12V switched power (key-on)
10 N/U
11 (right spot beside fuel gauge)
12 ground
13 seatbelt
14 speedo gauge		 wire - lower
1 white
2 black
3 grey
4 grey (?)
5 dark green
6 dark green/white
7 -
8 tan
9 pink/black
10 -
11 -
12 black
13 yellow
14 light green/black