Injector Electrical Harness Test - Mercury 225 EFI Service Manual

3.0 litre work, electronic fuel injection

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Injector Electrical Harness Test

An injector load test can be performed using the Digital Diagnostic Terminal (DDT). An au-

dible click will be heard each time an injector is activated. If an injector does not respond

to the load test, an ohm test can be made on the harness and the injector(s).

#1 Cylinder – RED + BRN Leads

#2 Cylinder – RED + WHT Leads

#3 Cylinder – RED + ORG Leads

#4 Cylinder – RED + YEL Leads

#5 Cylinder – RED + LT. BLUE Leads

#6 Cylinder – RED + PUR Leads

OCTOBER 2001

Injector Harness

Injector Resistance

FUEL INJECTION

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