1999 Mazda Protege Fuses that keep buring

Tiny
MAXZDA
  • MEMBER
  • 1999 MAZDA PROTEGE
Allright my fuses have started buring up and now it wont start I changed them all and every time now that I start my car I have to change the fuses or the car wont start I allso have the oil light that lighted on but my oil is Perfect whats going on?
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Monday, June 3rd, 2013 AT 3:57 PM

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Tiny
CARADIODOC
  • EXPERT
The warning light is for oil pressure, not level or quality

A simple trick to finding a short is to replace the blown fuse with a pair of spade terminals, then use small jumper wires to connect them to a 12 volt light bulb. A brake light bulb works well. When the circuit is live and the short is present, the bulb will be full brightness and hot so be sure it's not laying on the carpet or against a plastic door panel. Now you can unplug electrical connectors and move things around to see what makes the short go away. When it does, the bulb will get dim or go out. For intermittent problems like yours the bulb may be dim already. Watch what takes place when it gets bright. That's when the short is occurring. It could be due to the rocking of the engine when you shift between reverse and drive. It could be due to the body flexing when you drive over bumps in the road. The bulb limits current to a safe value when the short occurs, in this case about one amp. If the engine won't start with a brake light in the circuit, try a headlight bulb. The low beam filament will limit current to five amps, and the high beam filament will allow about six amps to flow.
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Monday, June 3rd, 2013 AT 9:45 PM

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