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Q: no-spark,connected scanner to dlc and "no communication"
replaced cps,ecm on 1998 Cadillac Catera

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All fuses are good.Which way from here?
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TNX! Gleaned info that all scanners are not comporable on caddys',reference to the offbrand catera. ....Have '98 deville same scanner communicates. "probably hearsay"?
OBDII must be compatible for US auto market FEDERAL LAW. Check wiring , get factory manual.Good luck.
Understand! TNX again for reconfirmation. Would like to commmunicate when its all done. If ok.
Much Obligiged! (autoeer@yahoo.com)