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Gregg Cronn - 1980 99 GLi
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EMS Stinger install - Wiring

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Wiring Diagram #1
Wiring Diagram #2



Ignition control Module
#1 Pin White wire on MSD box (originally the - on the distributor)
#2 Ground
#3 Not used
#4 +12 volts (Power In)
#5 Not used
#6 Out to Pin #14 on Stinger ECU (Originally the 0 on distributor)

MSD Box
Large Black Wire: Ground
Large Red Wire: +12 volts, engine distribution block
White: Pin #1 on Ignition control module
Black: -coil
Orange: +coil
Yellow: Tach output and to test plug I made near the fuse box
Small: +Wire Test plug (+12 volts at crank)

Stinger 4424 v3
Below are the Pin outputs and inputs used with my install. The first number listed is the corresponding pin # on the Stinger. The middle description tells where it goes and the third info is the Stinger wiring loom wire color.

1. Ignition Wires
#1, 2 and 13 Ignition (Not used)
#14 to Pin #6 on MSD box Pink
#8 Trigger (o) to Three pin plug on Distributor Green
#20 Sync (-) to Three pin plug on Distributor Yellow
*(Three pin distributor connector gets +12v from Pin 87 of ECU relay. Pin #10 switched power on Stinger)

2. Injection Wires
Cylinders 2 and 3 (inside) and Cylinders 1 and 4 (outside) are fired as pairs.
#23 Cyl #2 injector Yellow to +12v (Fuel Relay pin 87)
#11 Cyl #3 injector White " "

#12 Cyl. #1 injector Red/black to +12v (Fuel Relay pin 87)
#24 Cyl #4 injector Green/red " "

3. Throttle Position Sensor Reads 0-100%
#22 +5v to pin #3 on Sensor Red/blue
#6 Signal to pin #1 on Sensor White/black
#21 Ground to chassis, pin #2 on Sensor Black

4. Ground Outputs/ Power
#9 Ground to chassis Brown
#3 and #15 Ground to engine Brown
#10 Switched +12v Red. *Also +12v to Three pin connector on Distributor Red

5. Lambda
#19 + Grey wire to black wire on Lambda
#5 -Orange wire to grey wire on Lambda
This is a four wire O2 sensor. The other two wires are white, one a ground and the other +12v from Pin 87 on the ECU relay.

6. Sensors
#7 Water Temp Sender Blue
#18 Air Temp Sender Orange/Black

Notes:
* I made a test plug for the fuse box that has the test wires for the MSD box, power output from relay to Stinger ecu (injectors), fuel pump relay +12v to pump, and power into the ecu. If I ever need to trouble shoot I don't have to tear into the dash to test components for the basics.
*So that I could power up the ecu with the ignition on , I wired in a switch to cut the power to the fuel pump. This was a good move as I spend a fair amount of time connected to the ecu and it is nice to not have the fuel pump whirring away. Wiring diagram for Stinger and MSD 6A/stock ignition control unit.