Question about 1995-1997 Chevy 1500 Truck Ignition Starter Alarm Switch

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1997 Chevy C1500 keeps blowing the ECM-B fuse

I installed a transmission on the truck now it keeps blowing the ecm-b fuse and has no spark

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  • Chevrolet Master
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Check for a shorted wire that goes to the throttle body injectors. They get caught under the air cleaner and short out.

Posted on Dec 07, 2018

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Frank Fulton

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SOURCE: THE IGN A FUSE UNDER THE HOOD KEEPS POPPING

You have a serious short. The fuse is keeping you from frying the electrical system. Did you make any changes to the vehicle recently? Is it all stock electrical? If so, check the Ignition relay in the alternate fuse panel. If that does not work, post a reply and I'll help you dig further. Hope this helps

Posted on Jun 04, 2009

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Anonymous

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SOURCE: need wiring diagram for 1995 chevy 1500 silverado 305.

need a wiring schematic for a 90 s-10 blazer cut the wires to dist now cant find leads

Posted on Aug 24, 2009

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ECM-1 keeps blowing 1990 chevy astro


Without any schematic diagram it sounds like the ECM has a short in it or something the ECM is connected to. Without a schematic for your particular car it is difficult to tell you the EXACT proble. Blown fuses means you are overloading the fused circuit. Just make sure the fuse is the correct size. Thats the best i can do with the Information i have
Good luck

May 18, 2014 | 1990 Chevrolet Astro Extended

1 Answer

1997 GMC Sierra, I keep blowing the ECM 1 fuse, I replaced Fuel Pump relay and Fuel Filter. Does the ECM 1 Fuse Pump the Fuel Pump, also disconnected the Fiter turned on the key and no fuel.


ecm1 is injectors not fuel pump ecm-b is fuel pump its more likely to be a faulty relay for the injectors, it would be a similiar design to this
12900_oil_sending_unit_and_fuel_pump_circuit_80-yoo05im5qhid2i2poe1uh03c-5-0.gif this is for the fuel system, relay for the injector is nearly the same.

Nov 03, 2012 | 1995 GMC Sierra C1500

3 Answers

95 chevy blazer keep blowing the ecm fuse


If it "keeps" blowing the ECM fuse, it is because you "KEEP" replacing the fuse without diagnosing and repairing the reason the fuse is blown.

Please review these articles:

Where's The Fuse?

What Else Could Be Wrong?

What To Expect From An Online Car Expert

Jun 04, 2011 | 1995 Chevrolet Blazer

1 Answer

Blown ecm fuse


unhook the ecm and check if the fuse does not blow,you will know if it is the ecm,Hope this helps

Sep 06, 2009 | 1988 Chevrolet S-10

1 Answer

Blow,s fuse,cant read what it go,s to, 3d one down left side look,s like it starts with ecm--n ? it was running fine ,heard a dull pop and it quit.turn,s over won't start


The fuse is for the ECM Electronic Control Module,without it you will have no spark/fuel.
The fuse should have benn a red 10 amp fuse,replace it!

Jun 12, 2009 | 1991 Chevrolet C1500

1 Answer

1997 chevy blazer 4*4 will not go into reverse , drives and shifts sluggish in forward gears . parked overnight went to back up the next morning and vehicle was like neutral in reverse. fluid level is ok .


You may have a bad revers solenoid. Check the fuse and look for any of the fuse to be bad like the transmission fuse. Best thing to do is get the blazer scanned at Auto Zone free of charge for any DTC codes that may be affecting your transmission's performance. Try this, place the ignition to the run position and pull the ECM(BATT) fuse out for 30 seconds and then place it back in. Start the Blazer, it may stall but let it. Just start it again the ECM is just relearning the engine and transmission, let it idle for 1 min and then go for a test drive. This should reset everything in the truck's ECM like the day it was first started and any DTC code will be new and active. Do not add any additives like lucas transmission fluid repair, that will just make it worst. Any additive that may the transmission thicker will make the fluid retention more making the shift solenoid stick causing shift conflicts. Good luck and keep me posted. No revers is ether a bad solenoid, bad PCM signal, or broken sun gear. 

Jun 12, 2009 | 1994 Chevrolet C1500

1 Answer

The ECM fuse keeps blowing out


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

Apr 09, 2009 | 1988 Chevrolet K1500

1 Answer

97 chvy 5.0 -ECM B fuse blows - Wont Start - Replaced ALL parts


that red wire is a test lead to jumper the fuel pump to test it.if ecmb fuse keeps blowing my guess is your ecm has a short in it,in that case it can be purchased at oreillys

Mar 28, 2009 | 1997 Chevrolet C1500

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