WIRING DIAGRAMS
SERVICE MANUAL NUMBER 23
MEFI 2 MCM (Sterndrive) 7.4L MPI (L-29) Model
NOTE: All BLACK wires with a ground symbol are interconnected within the EFI system
harness.
2
19
18
6
17
3
7
11
8
9
5
20
4
10
14
13
15
12
16
1
75682
1
2
3
4
5
6
7
8
9
- Fuel Pump
- Distributor
- Coil
13 - Ignition/System Relay
14 - Fuse (15 Amp) Fuel Pump Fuse (15 Amp)
ECM / DLC / Battery Fuse (10 Amp) ECM /
Injector / Ignition / Knock Module
- Electronic Spark Control Module
- Data Link Connector (DLC)
- Manifold Absolute Pressure (MAP) Sensor
- Knock Sensor (Port and Starboard)
- Idle Air Control (IAC)
- Throttle Position (TP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Electronic Control Module (ECM)
- Fuel Pump Relay
15
- Harness Connector To Starting/Charging
Harness
16
- Positive (+) Power Wire To Engine Circuit
Breaker
17
18
19
20
- Intake Air Temperature (IAT) Sensor
- Gear Lube Bottle - Audio Warning Switch
- Oil Pressure - Audio Warning Switch
- Water Temperature Sender (Gauge)
10
11
12
Index
Page 4E-14
90-861326--1 MARCH 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...