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Posted on Sep 06, 2009
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Blown ecm fuse

Keep blowing ecm fuse in 1988 chevy s-10 what should i check first?

1 Answer

Anonymous

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  • Master 986 Answers
  • Posted on Sep 06, 2009
Anonymous
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Joined: Jul 27, 2009
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Unhook the ecm and check if the fuse does not blow,you will know if it is the ecm,Hope this helps

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Please review these articles:

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It keeps blowing the ECM Fuse, checked wiring but

My friend;
Try this;
  1. Did you insert same valued fuse i.e. { fuse rated 15APS with same fuse}.
  2. Check OP'S & voltage of the Alternator = 13.7 V DC - 14.8 V DC MAX.
  3. are you sure NO internal shorttings inside the ECM.
How to Test a Car's Alternator
http://www.youtube.com/watch?v=uI0SBtmSjHg&feature =related


Diagnosing an Alternator Problem:
http://www.youtube.com/watch?v=w5TkStVWNvA
how car alternators work


How to Install the Voltage Regulator on an Alternator
How to Rebuild an Alternator



How to Test a Car Voltage Regulator



Try it, & let me know if I add any benefits to you.
I hope I add some thing valuable to you.
Regards;

MAR;
[email protected]
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The ECM fuse keeps blowing out

check the wiring to fuel tank something shorting. replace wires to fuel tank.
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