You should be familiar with wiring diagrams, the meaning of voltage, ohms, amps and the basic theories of electricity. Ok how do i wire a four pin gm coil to act like a regular.
Mefi 3 Wiring Diagram
Table of contents mefi 3 magnum mpi and.
Mefi 3 wiring diagram. Wiring harness service.page 11 wiring connector service. You need pages 98 & 99 for mefi 2. The following details are provided for installation and operating instructions.
Mefi 3 mcm l efi, l efi and mag mpi engines.apr 04, · here are. Title ramjet 350 electronic fuel injection (efi) mefi 3 to mefi 4 conversion kit ir 21ap17 part no. 162a mefi 4 wiring diagram epanel digital books.
Follow the wire diagram at the end of the manual for converting. These instructions are intended for hardware shipped on or after 07/01/20. I haven't got to the point of wiring the engine yet.
Many ecm's have one or both of those connectors. Looking in clymers, page 101 deals with mefi 3 & 4. The 1228079 ecm in the 1987 and 1988 monte carlo ss has the 40 pin connector, not the 12 pin one.
And looking at the wiring diagram for mefi 1 & 2, the green/white wire appears to provides +12 volts to the fuel pump relays coil on terminal 85, and terminal 86 is connecting the coil to ground via a black wire. 88962721 date reision auth sheet of3 6 21ap17 initial release jim covey na french injection électronique de carburant (efi) du ramjet 350 mefi 3 à mefi 4 nécessaire de conversion 12499116 démarrage Order online for discounted pricing.
One thing is the colors of the wires don't match. When i connected them a few of the other wires wouldn't reach. Mefi 3 wiring diagram oleh anonim juli 14, 2020 posting komentar mercruiser pcm 555 efi mafiadoc com.
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If they are supposed to be connected great. You should be familiar with wiring diagrams, the meaning of voltage, ohms,. Gray lead for use with service tachometer.
If your engine has a mefi 1 ecm, your system mu st be updated to a mefi 3 or 4 system.
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