truck will not start.when I plugged in computer,no link found. on 2003 Mazda B3000

Dash indicator light dosen't come on.When turned to accessory nothing,no radio.Headlites do come on.Already replaced ignition switch.No help.Any ideas

by in Fort Mill, SC on April 26, 2012
1 answer 2 comments
ANSWER by on April 26, 2012
ck ecm fuse then test pwr to ecm to start with
COMMENT by on April 26, 2012
should have mentioned, I already changed both fuses.Not sure how to check for power to PCM.Fryed one in a PT cruiser once.
COMMENT by on April 27, 2012
Was getting ready too call tow truck.Notice 50 amp relay blown (starter/ingnition).Thinking starter might be locked up.Anyone ever have this happen to them.

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