Engine SwapEverything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.
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It’s been some time since I’ve posted, I’m still running into problems, so I’m hoping you all can help me. I bought an LT1 some time ago with hopes to put it in a 1985 Z28; I scrapped that idea because I knew that one day I would own a 1992 Z28. I bought the ’92 and now I’ve started the engine swap. I am now listing all foreseeable problems and I would appreciate guidance to vehicle start-up. My plans are to do things as close to factory specifications as possible, so I got a factory 1995 Z28 engine wiring harness. Of course I’ve connected all under-the-hood sensors, and I’ve begun to interface the wiring at the Instrument Panel to Engine Harness Connector (C207). Please tell me whether I’m correct with these connections that I’ve made:
Cavity & color of wire in C207(1992) _Purpose _ Cavity of 1995 LT1 Connector , & wire color A. not used
B. pnk/blk_1st injector bank_???? C. brn/wht_Service engine soon indicator feed_B of C230 brn/wht D. gry_Instrument cluster printed circuit_G. of C220 grn/wht E. wht/blk_Assembly Line Diagnostic Link(ALDL)_C. of C230 wht/blk F. pnk/blk_ECM’s fuse to ECM_G. of C230 pnk G. pnk/blk_2nd injector bank_???? H. tan/blk_TCC control to ECM_H. of C230 blu/blk J. orn_Assembly Line Diagnostic Link_???? K. not used L. dk blu_Theft Deterrent(VATS)_E. of C230 dk blu M. orn_Underhood light N. orn/blk_Gear selector switch feed to ECM_J. of C230 orn/blk P. red_Cruise control to ECM_G. of C220 grn/wht R not used
Cavity & color of wire in 1992 Bulkhead connector(C100)_Purpose_Cavity of 1995 LT1 Connector & wire color E5. tan_Oil pressure feed to instrument cluster_B. of C220 tan F5. dk grn_Coolant temperature feed to instrument cluster_K. of C220 dk grn G4. gry_Fuel pump relay control_J. of C220 dk grn/wht E3. gry_1992 Supplemental Inflatable Restraint/ 1995 Serial Data signal_F. of C220 tan D6. wht_1992 engine tachometer/1995 tachometer to instrument cluster_D. of C230 wht
If all the connections I’ve made are good, I need guidance on what to do with the remaining wires in the LT1 harness which are; the 4 wires in C210, cavity A of C230(performance switch indicator control), cavity F of C230(A/C request signal), cavity A of C230(generator feed to instrument cluster), and cavity H of C220(performance switch signal). If I left out anything, please tell me. Any remaining advice would be greatly appreciated and thanx!!!
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Last edited by Jammy Sr; 08-17-2009 at 02:21 PM.
Reason: adding pics
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