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View Full Version : 98-99 pcm swap ? 69 brown evap purge


Adam Calley
January 8th, 2008, 02:58 PM
Does anyone know what im supposed to do with the pin 69 of the c1 connector of the 1998 corvette, its the evap perge vaccume switch signal wire. thats the only one im lacking so please help thanks Adam
ChipsByAl
January 9th, 2008, 01:01 AM
Discard it. The later models do not use this Evap input. The fuel tank pressure sensor is the only telltale for the PCM's Evap diagnostics.
Al
eurospec1
January 9th, 2008, 03:51 AM
Discard it. The later models do not use this Evap input. The fuel tank pressure sensor is the only telltale for the PCM's Evap diagnostics.
Al

Yep, and yoru gonna have to turn off the mil for the fuel tank pressure sensors once you get it going :beer: