The ECM B fuse in your 1989 S-10 may be blowing due to a short circuit in the wiring, a malfunctioning ECM (Engine Control Module), or a faulty sensor that is drawing too much current. Inspect the wiring harness for damage or frayed wires, and check for any components connected to the ECM that could be causing a short. Additionally, consider testing the ECM itself for faults. If the problem persists, it may be advisable to consult a professional mechanic for a thorough diagnosis.
change alternater first, then ecm blowed
It is in the fuse box. It will be a red 10 amp fuse.
It being an American vehicle
There is a short in the wiring or in the bulb. Try changing the bulbs first.
Assuming the heater works fine, you have a short, probably in the AC compressor clutch.
The ECM B fuse on a 2000 GMC Sierra is located in the underhood fuse box. To access it, open the hood and locate the fuse box, which is typically located near the driver's side near the firewall. The fuse diagram on the cover of the fuse box will indicate the specific location of the ECM B fuse. It's usually a 10-amp fuse, so you can check its condition if you're experiencing issues with the engine control module.
You have a bad fuel pump or the wiring to the pump is shorted to ground somewhere.
The fuse that controlls the fuel pump relay and primes the engine on start up on a 1995 s 10 blazer with the 4.3 cpi engine is located in the drivers side fuse panle and is labeled ECM # 2 it is a 20 amp and is in the third row up and right inback of ECM # 1
the blower motor should be either on the passenger firewall or in the passenger floorboard below the dash
Not a good thing to do! If you are blowing 10 amp fuses, you have a problem with that circuit. Putting a 30 amp fuse in its place can do more damage.
In a 2009 Toyota RAV4, the ECM (Engine Control Module) fuse is located in the engine compartment fuse box. It is typically a 10-amp fuse, but it's advisable to check the fuse box cover or the owner's manual for the exact specifications and location details. If you need to replace it, ensure the vehicle is turned off and consult the diagram inside the fuse box for proper identification.
There are multiple reasons, most likely you have a damaged wire somewhere. Because you know the fuse you can track the wiring around that fuse. Test for the ground.