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i have a 92 Z28 with a 350 TPI engine. i used a paperclip to cross the contacts in the plug underneath the dash. the only trouble code i got was 12. i need to know what that means. thanks.
 

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no tach or referense signal to the ecm.

one thing when you count the light flashing and puasing one flash puase and two flashes doesnt meen code twelve like a ford computer

just a mistake some people make when they dont work on cars with computers alot
 

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Code 12 means you don't have a thing to worry about
. Everything is normal
. Actually the 12 does mean something, but it is NOT a problem code. I don't have my troubleshooting book here & can't remember exactly what it does mean.
You can buy a Haynes repair manual ($15.00) for your ride and it will explain all the codes.

Just saw the above post. Because the motor is not running you get the code 12 so it is OK.
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Rick Schaefer
72 El Camino
TPI 350/700r4

[This message has been edited by rick (edited 02-23-2000).]
 
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