Question about Hyundai Motor 1999 Elantra
Check your o2 sensor harness. The harness if not properly secured will rub on the axle to a point where it rubs through the insulation of the wire & shorts on the axle causing the ECU fuse (20A) to blow. Repair the harness & replace the fuse & bada bing! You should be in business! Hope that works. IF NOT follow this K.I.S.S.
Keep It Super Simple! It never fails!
Posted on Aug 21, 2009
I found fuel pump drawing too much amps and overheating. ECU 20. amp fuse feeds 12 volts to ac,engine and fuel pump relays,also to ECM/PCM.Diagnosis:Check terminal at fuse for direct ground with key off. If you have a direct ground, start unplugging relays til ground signal goes away. Isolate circuit or wiring harness short to ground. If you have no direct ground at key off,check with key on and follow previous relay and harness checks. My final diagnosis relating to fuel pump is to access fuel pump connector under back seat and feel if wires getting hot to the touch prior to fuse blowing. Note it may be necessary to use a 25 amp fuse or 25 amp circuit breaker/fuse saver to complete this diagnosis.
Posted on Jun 19, 2012
You have to check the wiring loom... or what others would call the wiring harness. Worst case you need to have the engine rewired.
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
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