Question about 1989 Cadillac Eldorado
I want to clear ECU codes on 89' Elderado from the computer.
For the purposes of the D.I.C.
LO = NO
HI = YES
OFF & WARM (red button) together
-the D.I.C. will light up the instrument cluster like a Christmas tree
- the D.I.C. will start diagnostics, as soon as it starts displaying ..
- until " ECM " comes up
- until " CLEAR CODES ? " comes up
- press only once
- response will be in a few seconds: CODES CLEARED
you are done ...
PRESS RESET and you are back to normal
Good Luck and Hope this helps
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
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