Edelbrock 71900 - Advanced Wiring Configurations; Wiring with MSD Components

Progressive Controller Wiring Diagram with Several Options
Page 14 of 17©2009 Edelbrock Corporation
Part #71900
Brochure #63-0473
Rev. 05/09 - AJ/mc
Nitrous Arming Switch
Trans Brake Button
+12 Volt
+12 Volt
Trans Brake
Solenoid
Ground
Ground
Micro
Switch
87A
87
30
8586
87A
87
30
8586
87A
87
30
85
86
87A
87
30
8586
MSD 2 Step
1
2
Ground
MSD 7AL-2
Coil +
Coil -
IGN
Points
M+
M-
Nitrous
Solenoid
Fuel
Solenoid
Ground to Battery
Ground
Activation
+12 Volt
+12 Timer Output
Ground
Fuel Solenoid
Nitrous Solenoid
Progressive
Controller
71900
Ground
Ground
Ground
Nitrous
Solenoid
Fuel
Solenoid
MSD Multi Step Retard
1
2
3
Ground
To Crank
Trigger
Time
Delay Relay
Time
Delay Relay
To Other Side of
Toggle Switch on
Shock Controller
+12 Volt
+12 Volt
+12 Volt
To Power Side of
Togge Switch on
Shock Controller
Ground
Micro
Switch
3 4 5 6
3 4 5 6
2 1 8 7
2 1 8 7
NOTE: Refer to individual component manufacturer for specific connection information