89 Corvette Ecm Pinout

Below is the pinouts for the ecm s 1226870 1985 only and 1227165 1986 89 make note that the 1985 ecm harness is not interchangeable with the 1986 89 ecm harness. Black blue pink with black stripe yellow brown green is this the correct pin out for this car. Need to know the function of the rest of the wires also.

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These are the red blue pcm connector pinouts that will cover 1997 98 corvette and 1998 f body only.

89 corvette ecm pinout. G est distributor conn. If i show a wire and your harness does not have it you probably don t need it anyway. I have a 1988 chevrolet corvette. Your harness may not have a pin in a location i have listed having a wire.

H ground wires to firewall. 1989 corvette vehicle identification numbers vin the last six digits begin at 100001 and run thru 126328 accounting for each of the 26 328 corvette coupes convertibles built in 1989. In addition to the 26 328 corvettes that were built for commercial sale there was an additional 84 zr 1 corvette s but that were not sold to the public. This schematic covers the 1990 91 corvette using the 1227727 16197128 and 16198260 ecm.

This page contains the ecm connector identification and the terminal pin id s. Tpi wiring harness typical 1986 89. D dash harness connector. When the ecm detects knock counts it pulls timing till no knock is reported and then gradually increases timing to the current setpoint.

This is the layout of a typical harness form a 1986 88 tpi camaro. Courtesy of gm schematic diagrams home. I have tried to list all possible wires that will show up 97 98. Conn for fuel injectors and cooling fan.

My vats module connects to the following wiring. The 85 89 l98 uses an electronic spark control ecs module to listen to the knock sensor and report ping to the ecm on 90 96 corvette motors the ecm listenes directly to the knock sensor. 1227165 less prom 1987 90 astro safari van with 2 5l 4 cylinder 1987 88 blazer s10 jimmy s15 with 2 5l 4 cylinder 1991 blazers10 jimmy s15 with 4 3l 6 cylinder with 1227165 ecm 1991 bravada with 1227165 ecm 1987 camaro firebird with 5 7l 8 cylinder 1988 camaro firebird. I have a problem with the vats.

I egr valve solenoid. If so is the yellow wire the crank starter enable wire.