Help Fuse Keeps Blowing!!!
#1
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Help Fuse Keeps Blowing!!!
I tried to start my car up, and it woulnd't, so I go thou with the deflooding procedures, with no luck, after relaxing for a bit I go look at everything, the fuse closest to the engine is blown, so I simply take the fuse from the retract, slot and place it there the car cranked up.... well I drove to town, and cut it off... to go in the bank, well when I went to crank it up, well the fuse was blown again, and after several fuse replacements it still won't crank... can someone tell me where to look? the fuse blows with the key in the on posision (does not have to be running or even turned to the start possion the back to the on possion).
#4
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yeah, a fuse is blowing because there is too much current (amps) flowing through the circuit. Don't just keep replacing the fuse without fixing the problem. There is probably a power wire that is touching something that is providing a path to ground the circuit, causing the electrons to flow freely from the battery to the grounding source, thus blowing the fuse to protect the wires. This condition is called a short to ground, short circuit, or just a short. If you recently did some maintenance on your engine, do like SpAm@FC said and inspect your work. If the problem just started, do like Icemark said and look for pinched, damaged chaffing or broken wires. There are a lot of wires under the hood but fuses protect specific circuits, so inspect the wiring for the device protected by the fuse that keeps blowing. If you replaced the fuse and were able to drive for a little while before it blew out again, its probably a loose wire that is not always shorting out the circuit. I had this happen before so I knew it had to be a loose wire in that circuit cause a fuse just doesn't blow twice by coincidence.
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check each point on the engine where the wires are "harnessed" to the engine or sit on the engine..Particularly,the alternator (back of it) ..the wires get movin back and forth and can short on A nut head..It is a "short"..and IF It happens off and on ,it can be from the engine moving back and forth(under acceleration)..it hits that part where the wire is exposed and ..Zap!..Blown fuse..may be hard to find ,but will give you an idea of your Harness quality after you have sourced your problem..Good Luck..Additional note also check where the Harness enters the Firewall..
#6
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Blown fuses in cars are almost always caused by shorts. One of the most likely suspects is what Icemark said. Also, you could have messed something up when you were working on the car. As stated, retrace your steps if you did anything recently. If not, look at what the fuse does, and trace where the wires in that sub-system go and look for problems.
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#9
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no, I hadn't done any "maintence", I hadn't modded the car in anyway since I bought it... I what IceMark said it more than likely the case... I started from the EGi and worked my way thou the engine bay, and back checked all the wires I could, or see... and they all looked ok, nothing really out of place... what are a few problem areas I could check... I guess what I need are more directed places to look.... could it be that my Fuel Pump has gone bad?
#10
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The wires on my fuel pump relay and resistor harness frayed and shorted, causing a few fuses to blow. On my T2 it was the airbox that was fraying the wires. Wouldn't hurt to check that, and you can scope the air filter and see if it is dirty.
#11
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found the spot, it was the wires near the coolant hose, near the innercooler. passangerside, it took alot of blown fuses, cauz every time I thought I got them all I realized I missed one... lol, well it was a good lesson learned... (newb to troubleshooting)
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