1998 GTP PCM Connector C1 (blue)
| PIN # |
USE |
Wire Colour |
Connection Within Harness |
How to Modify |
| 1 |
not used |
|
|
|
| 2 |
not used |
|
|
|
| 3 |
tach control |
orange |
. |
disconnect |
| 4 |
1-2 SS valve Control |
Lt Green |
to tranny |
|
| 5 |
hi speed fan control |
DK Blue |
. |
Optional |
| 6 |
low speed fan control |
Dk Green |
. |
Optional |
| 7 |
CMP Signal |
Blk |
to ignition module |
|
| 8 |
3x reference signal |
purple/white |
to ignition module |
|
| 9 |
18x reference signal |
Lt Blue/Black |
to ignition module |
|
| 10 |
not used |
|
|
|
| 11 |
not used |
|
|
|
| 12 |
ECT sensor signal |
Blk |
to coolant sensor |
|
| 13 |
MAP |
orange/black |
to MAP sensor |
|
| 14 |
not used |
|
|
|
| 15 |
serial data (UART) |
Tan |
. |
connect to data link connector in console |
| 16 |
PCM ground |
black/white |
to engine block |
|
| 17 |
IAT sensor ground |
black |
to intake air temp sensor |
|
| 18 |
not used |
|
|
|
| 19 |
ignition wake up power |
pink |
. |
connect to ignition power source (use 10 amp fuse) |
| 20 |
battery power |
orange |
. |
connect to battery power source (use 10 amp fuse) |
| 21 |
not used |
|
|
|
| 22 |
trans fluid press switch A |
pink |
to tranny |
|
| 23 |
not used |
|
|
|
| 24 |
not used |
|
|
|
| 25 |
not used |
|
|
|
| 26 |
not used |
|
|
|
| 27 |
not used |
|
|
|
| 28 |
HOS2 low |
tan/white |
. |
connect to 2nd O2 sensor |
| 29 |
HOS1 low |
tan |
to first O2 sensor |
|
| 30 |
TCC brake switch I/P |
purple |
. |
connect to purple wire in C203 feeding brake switch |
| 31 |
sensor ground |
brown |
to EGR valve |
|
| 32 |
EGR valve control grd |
red |
to egr valve |
|
| 33 |
knock sensor signal #2 |
Dk Blue |
to 2nd knock sensor |
|
| 34 |
knock sensor signal #1 |
Lt Blue |
to 1st knock sensor |
|
| 35 |
not used |
|
|
|
| 36 |
charge indicator control |
Brown |
to alternator |
|
| 37 |
not used |
|
|
|
| 38 |
IAC coil B high |
Lt green/white |
to IAC valve |
|
| 39 |
fuel pump speed control relay |
Lt Green |
. |
connect to fuel pump speed control relay |
| 40 |
not used |
|
|
|
| 41 |
not used |
|
|
|
| 42 |
not used |
|
|
|
| 43 |
fuel injector #6 driver |
yellow/black |
to injector #6 |
|
| 44 |
2-3 SS valve control |
yellow/black |
to tranny |
|
| 45 |
not used |
|
|
|
| 46 |
fuel injector #4 driver |
Lt Blue/black |
to injector #4 |
|
| 47 |
fuel injector #5 driver |
black/white |
to injector #5 |
|
| 48 |
reference low |
red/black |
to ignition module |
|
| 49 |
not used |
|
|
|
| 50 |
not used |
|
|
|
| 51 |
not used |
|
|
|
| 52 |
not used |
|
|
|
| 53 |
ignition control |
tan/black |
to ignition module |
|
| 54 |
IC control |
white |
to ignition module |
|
| 55 |
VSS O/P |
Dk green/white |
. |
connect to speedo via signal converter |
| 56 |
PCM ground |
black/white |
to engine block |
|
| 57 |
PCM ground |
black/white |
to engine block |
|
| 58 |
not used |
|
|
|
| 59 |
serial data (class II) |
purple |
. |
connect to data link connector in console |
| 60 |
PCM ground |
black/white |
to engine block |
|
| 61 |
TP Sensor signal |
black |
to throttle position sensor |
|
| 62 |
A/T ISS sensor low |
Dk Blue/white |
to tranny |
|
| 63 |
A/T ISS sensor high |
red/black |
to tranny |
|
| 64 |
VSS high |
yellow |
to speed sensor |
|
| 65 |
VSS low |
purple |
to speed sensor |
|
| 66 |
not used |
|
|
|
| 67 |
not used |
|
|
|
| 68 |
TR switch input B |
yellow |
to tranny |
|
| 69 |
MAF sensor signal |
yellow |
to mass airflow sensor |
|
| 70 |
not used |
|
|
|
| 71 |
torque requested |
orange/black |
. |
fed traction control..disconnect |
| 72 |
cruise disable output |
Dk green |
. |
Optional |
| 73 |
fuel injector #2 driver |
Lt green/black |
to injector #2 |
|
| 74 |
not used |
|
|
|
| 75 |
hot coolant indicator control |
Dk green |
. |
connect to Dk green wire in C500 feeding coolant indicator light |
| 76 |
EVAP purge valve driver |
Dk green/white |
to EVAP valve |
|
| 77 |
not used |
|
|
|
| 78 |
not used |
|
|
|
| 79 |
fuel injector #1 driver |
black |
to injector #1 |
|
| 80 |
not used |
|
|
|