Question about 2003 Ford ZX2

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If the main fuse is blown will the car lose alll power and not start?

The can isent starting replaced the battery and terminals but still has no power and the main fuse is blown

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  • Ford Master
  • 1,449 Answers

It can be a worn electrical part of your ignition switch.

Posted on Dec 20, 2013


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Posted on Jan 02, 2017

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SOURCE: 98 Ford Escort ZX2

If the battery was improperly polarized (polarity reversed) you may have a lot of damage.
The main fuse isn't the last one you need to replace.
To measure them, you should have some kind of multimeter and it would help for the other tests as well.
(They can be had for <$20 US at electronics stores or, for a few bucks more, auto parts stores.
Any of them are accurate enough for home use.)

If that has happened, the alternator could well be fried; the output diodes are oriented so that they would have looked a lot like a piece of wire to the battery and while they are rated at high amperage (100 amps or so) the battery could have supplied twice that and caused them to fail.

You need to measure the terminal voltage across the battery.
Normal for a charged battery is 12.6 volts, charging at an idle 13-13.5 volts and maximum at any RPMs, ~14.3.

If the main fuse was blown, I suspect the battery was installed incorrectly.

Posted on Aug 21, 2008

  • 38 Answers

SOURCE: Blows fuse wont start

More than likely its being caused by a short-circuit to ground in the wiring in your Cranking Circuit.

If it blows the fuse immediately after installing the fuse, its probably a hot-wire. If it blows it the second you try to crank it over, its probably one of the wires between your ignition and the Starter Relay.

To track down the bad wire you'll need a Wiring Schematic for the vehicle and either a Digital Volt/Ohm-Meter or Test-Light and a basic understanding of wiring which is... honestly a little hard to explain over the internet. However, that is the only course that can be taken without taking the vehicle to a qualified Dealership Technician.

Posted on May 16, 2008

  • 47 Answers

SOURCE: car wont start. radio plays, lights work. acts

Replace the fuse...

Posted on Oct 23, 2009

  • 246 Answers

SOURCE: Car will not turn over. Battery and alternator

Did you replace starter solenoid?

Posted on Dec 31, 2009

  • 1055 Answers

SOURCE: 2000 Ford Ranger. No power anywhere, new battery

check the body ground and fuesable link!!!

Posted on Mar 04, 2010

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I replaced the battery the negative and the positive battery terminals touched and their was a spark now the car wont start

if you have no power at all, like the engine wont turn over you have blown your fuse-able link on the positive cable thats the simple fix .you might have blown a ecu or a fuse in your fuse box allways start with the simple part first (fuses).

Jul 07, 2014 | 2001 Mitsubishi Mirage

1 Answer

No power to car

Sadly the fuse is integral to the positive wire. If blown it will require complete replacement of the wire with fuse in it to maintain the factory safety it provides. It is possible that when you closed the hood of the car the cables on the battery shorted out on the hood when the engine moved after starting it. The terminals should have protective covers on them? Inspect the hood area above the battery for spark damage and / or contact with the terminals of the battery.

Nov 25, 2013 | 2008 Mazda 3 2.0

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My daughter car battery went dead had a jump start but her cousin put the leads on the wrong terminal could this have blown the main fuse as no lights at all put new battery on today

Yes this will defiantly blow the main engine fuse. This fuse is located in the engine compartment and is usually bolted down with 10mm bolts.

Feb 28, 2012 | 2005 Suzuki Swift

1 Answer

Problems starting turnig but not turning over

this may help diagnose your problem. with headlights on,try to start headlights dim? if so,check battery for bad.try boosting your truck from another car. check battery terminals for clean and tight. this is a must!!! if battery is good,,,,lights ,,headlights on and turning the keyswitch to start and no dim in the headlights when you turn the switch to start,bad connection to battery,or bad starter,or blown fuseable link in wiring to the starter,check for blown fuses to main,starter,e.c.m. under the hood in main fuse box. also check for a bad fuel pump relay in the main fuse box under the hood.

Sep 17, 2011 | 2001 Chevrolet S-10

1 Answer

Interior light was left on for a couple of days...old battery replaced and car started like a dream...took car to doctors appointment about 20miles away and when I came back out to leave (about 3hrs later)...

doesn't sound like an alternator unless your battery light is on constant. check to ensure check terminals are connected. Check main ground wire. Check for a blown main fuse or relay in the power distribution b0xunderhood. absolute worst case possibly starter. Try tapping the starter with a hammer.

Dec 15, 2010 | 2006 Kia Sportage

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Car not starting fuel gauge not moving mileage display not on

this is because of power supply, basically battery.
follwing reasons may be charge in the battery
2.terminals lose
3.wire going to the main relay got cut.
4.relay to these stuff been burnt out.
5.fuses blown out

Jul 02, 2010 | 2000 Dodge Grand Caravan

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Buzzing fuel pump

sounds like the fuel pump relay is stuck on. find the relay and replace it. hope this helps mike

Jun 16, 2009 | Acura TL Cars & Trucks

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