Isuzu 4HL1 Workshop Manual page 247

Engine control system
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Main Relay Description
1
5
4
Legend
1. Contact 1 (battery side)
2. Contact 2 (ECM side)
3. Coil 1 (battery side)
2
3
Engine Control System 1A-245
1
3
4. Contact 3
5. Coil 2 (ECM side)
4
2
5
LNW21ASF002701

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