Ignition System Wiring Diagram - Mercury 305 CID Service Manual

Ignition System Wiring Diagram

BLK = BLACK
BLU = BLUE
BRN = BROWN
GRY = GRAY
GRN = GREEN
ORN = ORANGE
PNK = PINK
PUR = PURPLE
RED = RED
TAN = TAN
WHT = WHITE
YEL = YELLOW
LIT = LIGHT
DRK = DARK
1 - Knock Sensor Wire
2 - Ground Wire (–) For Knock Module
3 - Knock Module Signal Wire
4 - Battery (+) Positive Wire To Knock Module
5 - Ground (–) For Future Options
6 - Audio Warning System Wire
7 - Distributor Wire
Index
4B-18 - THUNDERBOLT IV AND V IGNITION SYSTEM
TO ENGINE HARNESS
13
1
2
3
4
KNOCK
CONTROL
MODULE
5
7
5
10
8
6
11
9
3
12
IGNITION
CONTROL
MODULE
8 - Distributor Wire
9 - Battery (+) Positive Wire To Ignition Module
10- Ground Wire For Ignition Module
11- Tachometer Wire
12- Ignition Module Case Ground (–)
13- Timing Lead (For Setting Timing and Other Tests)
TO DISTRIBUTOR
90-823225--1 1096