Here are some wiring diagrams i've come across & had stored
View attachment WiringEFI.pdfView attachment IH2w-MT(1989+).pdfView attachment IH2(87-89).pdfView attachment IH1(90-92).pdfView attachment IG1w-MT(1989+).pdf
View attachment WiringEFI.pdfView attachment IH2w-MT(1989+).pdfView attachment IH2(87-89).pdfView attachment IH1(90-92).pdfView attachment IG1w-MT(1989+).pdf