Question about Cars & Trucks
20 amp EEC fuse in fuse block on fender under hood when cranking engine. Help
Have a short. This procedure may help out. Need test light and volt meter.
1. Disconnect C104 and see if the Red (RD) wire out of the Constant Control Relay Module (CCRM) (pin 12 and/or 24) is shorting to ground, to verify which side of the connector the circuit is shorted.
2. If the RD wire no longer indicates a short to ground after disconnecting C104, inspect the engine harness feeding the injectors, Idle Air Control (IAC) solenoid and Canister Purge (CANP) solenoid for chafing against bare metal on top of the engine.
3. If the RD wire still indicates a short to ground after disconnecting the C104 connector, inspect the harness to the secondary air injection solenoids, EGR Vacuum Regulator (EVR) solenoid, Mass Air Flow (MAF) and Powertrain Control Module (PCM) for a short to ground.
INFO Tip C104 is a 42-terminal connector located at the rear passenger side of the engine, near the A/C accumulator.
Posted on Nov 17, 2013
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Posted on Jan 02, 2017
You have a shorted engine harness, this is not common but it does happen, heat and engine movement cause damage to the harness, this is most common on hi miler cars and vans, the only way to fix it is to start by looking anywhere the harness rubs, that is where the damage occurs.
Posted on Oct 20, 2008
On top of the cover of the fuses it will tell you what that fuse was for. Odds are whatever it is, is shorting out and will need to be replaced.
Posted on Dec 12, 2008
Does it only do this when the heat or A/c is on full blast.. ( I had a few of my customers with this problem and they needed a new blower motor..)
Posted on Jan 26, 2009
The power wire to your fuel pump must be shorting out somewhere. Disconnect it and see if your fuse still blows. If not, then follow the wire all the way back to the fuel pump, and look for a bare spot. Good luck!
Posted on May 04, 2009
There is obviously a short circuit somewhere. Best solution, take vehicle to nearest Hyundai Service Center, pay diagnostic fee. They will give you an estimate of repairs (parts, labor, tax, time-frame, etc.). This way you'll find out EXACTLY what the problem is and what's required to fix it.
Posted on May 31, 2009
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