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**hatzie** · 10-27-2018, 12:32 AM

Those are the Mitchell wiring diagrams.

My T400 manuals thread has the 93 GM wiring diagrams along with the Unit Repair and Emissions manuals. Look in My signature.

I don't have a 1993 service manual in my library but the 92 & 94 should get you what you need.

1987 - 1993 wiring diagrams were 11x17 pages. I usually print them on ARCH B (12x18) if I need a hard copy.

The parts and illustration books are extremely useful as well but the paper books stopped in 1993. As I've said before I have fiche for 94-01 T400 trucks but it'll cost an arm, leg, and several internal organs to get it digitized.

You can find most T400 manuals on evilbay for a reasonable price compared to the T800 manuals.

10-27-2018, 12:32 AM	#7
hatzie Moderator Join Date: Oct 2008 Location: Wentworth, NH Posts: 4,915	Re: Good wiring diagrams Those are the Mitchell wiring diagrams. My T400 manuals thread has the 93 GM wiring diagrams along with the Unit Repair and Emissions manuals. Look in My signature. I don't have a 1993 service manual in my library but the 92 & 94 should get you what you need. 1987 - 1993 wiring diagrams were 11x17 pages. I usually print them on ARCH B (12x18) if I need a hard copy. The parts and illustration books are extremely useful as well but the paper books stopped in 1993. As I've said before I have fiche for 94-01 T400 trucks but it'll cost an arm, leg, and several internal organs to get it digitized. You can find most T400 manuals on evilbay for a reasonable price compared to the T800 manuals. __________________ 1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... 1973-1991 GM Light Truck Service, Unit/Overhaul, Wiring Manuals, Parts Books and Some 1968-1999 GM Service Training textbooks in PDF 1988-1998 GMT400 CK service manual project 1988-1993 GMT400 CK parts books. 1967-1972 GM Light, Medium, & Heavy Truck Service Manuals in PDF Please include at least the year and model in your threads. It'll be easier to answer your questions. And please let us know if and how your repairs were successful. Last edited by hatzie; 10-27-2018 at 12:42 AM.