GM ESC module for 89 corvette...can someone verify p/n? 16022621?
10-23-2012, 09:13 PM
#1
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GM ESC module for 89 corvette...can someone verify p/n? 16022621?
I was wondering if there is a way to verify if GM ESC (electronic spark control module) p/n 16022621 is the one that belongs to a 1989 corvette? This module has BLH on the front of it.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same?
Does anyone know what year the cars started getting knocking sensors and ESC module?
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same?
Does anyone know what year the cars started getting knocking sensors and ESC module?
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.
10-23-2012, 09:34 PM
#2
I was wondering if there is a way to verify if GM ESC (electronic spark control module) p/n 16022621 is the one that belongs to a 1989 corvette? This module has BLH on the front of it.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same?
Does anyone know what year the cars started getting knocking sensors and ESC module?
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same?
Does anyone know what year the cars started getting knocking sensors and ESC module?
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.
Yes the numbers would change when there was a required change in production and generally speaking the 3 letter code used on the assembly line would also change. That is NOT chiseled in stone!
Last edited by WVZR-1; 10-23-2012 at 09:43 PM.
10-23-2012, 11:58 PM
#3
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I was wondering if there is a way to verify if GM ESC (electronic spark control module) p/n 16022621 is the one that belongs to a 1989 corvette? This module has BLH on the front of it.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same? If the calibration parameters changed, then the P/N and three-digit broadcast code changed.
Does anyone know what year the cars started getting knocking sensors and ESC module? In Corvettes, I believe it was either '82 or '84. Others (Buick or Pontiac) had it earlier.
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.
Also, did these ESC modules change p/n's, or 3 digit letter code over the years? Or did they stay the same? If the calibration parameters changed, then the P/N and three-digit broadcast code changed.
Does anyone know what year the cars started getting knocking sensors and ESC module? In Corvettes, I believe it was either '82 or '84. Others (Buick or Pontiac) had it earlier.
it seems that after 1989, the ESC module was eliminated and the ECM controlled all knock related functions.