A BOOST
B Not used
C
D
E
F
G
H
I
J
K GROUND
L LAMPS
M SEAT BELT
N OIL PRESSURE
O FUEL LEVEL
P IGNITION PWR
Q LEFT TURN
R TEMP
S ajar
T not used
U BRAKE WARNING
V service engine
W SPEEDO
X RIGHT TURN
Y HIGH BEAM
Z TACH
C3 connector
1 - not used
2 - Q
3 - not used
4 - X
5 - P
6 - not used
7 - O
8 - M
9 - P
10 - S or v
11 - K
12 - Y
13 - not used
14 - U
15 - not used
16 - not used
17 - N
18 - Z
C2
1 - not used
2 - not used
3 - not used
4 - K
5 - not used
6 - not used
7 - L
8 - not used
9 - not used
10 - Ajar (unk)
11 - R
12 - not used
C1
A - L not used
M - W
N - not used
P - K Ground (unk)
R - VSS low (unk)
S - VSS high
T - not used
U - signal to cruise module (unk)
[This message has been edited by mmeyer86gt/gtp (edited 12-15-2014).]