1987 CHEVROLET EL CAMINO
100,000 MILES
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SKEET7153
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  • 2 POSTS
service engine soon light comes on while driving on interstate. how do i get the codes to flash? ive heard you can jump two terminals under dash to make codes flash. how do i do this
Feb 17, 2013 at 5:08 PM
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JDL
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  • 16,098 POSTS
You use a jumper wire across the A & B terminals at the datalink connector. Turn key just till the dash lites come on, no further. The mil on the dash starts flashing, you count the flashes to get the codes. Your looking for two digit codes.
Feb 17, 2013 at 5:12 PM
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JDL
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The diagram is just to show location of pins A and B. All those pins may not apply.
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Feb 17, 2013 at 5:21 PM
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