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1998 explorer sport, 4.0 sohc alternator wiring

Changed alternator and battery. Had both tested. Test showed that the alternator wiring harness is bad. Where can I get one, and how do I change it!


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You mean no alt.output or burn wiring,if burn wiring you can get a connector in any parts store,if not you need to check your fuse its a 7.5 amps for charging system

Posted on Jun 14, 2008


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1998 Ford Explorer, 4.0 engine, new batterry and new alternator, alternator does not recognize battery. alternator gauge shows no charge going to batrery from alternator. Any suggestions??

check and test battery and alternator new doesnt mean free from defects --check and test wiring / connections --lastly test gauge and connections

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I need a diagram for a 1998 Ford Explorer XLT 4.0L V6 SOHC engine wiring harness cause I found bad places in mine and I need to fix them

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Feb 27, 2015 | Ford Cars & Trucks

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I have a 1998 ford explorer sport and my dashboard went out nothing is working ..any body knbow what would be wrong

I would guess you have and electrical problem -- dead battery ?
bad alternator? Alternator belt broke or slipping, major fuse box failure, harness wire at firewall (unplugged or melt down).

Dec 27, 2014 | 1998 Ford Explorer

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1998 Ford Explorer 5.0 battery won't charge,

Probably because your Battery is Bad... Try Charging and LOAD TESTING our battery and then if the battery tests good, Test your Alternator and see if it is charging properly.

Maybe when you installed the New Alternator, you missed a connection or have too many wires on one connector... You have have to take some pics to see what is going on.

Apr 06, 2013 | Cars & Trucks

1 Answer

2001 ford explorer sport wont charge

I'm not sure if you have all of the info you need to go forward with this.
The battery may be rated for 800 amps but could have less than 12 volts if the alternator is not charging it.
It could have a dead cell which would keep it from holding a charge.
You would need to check the charge of the battery with a volt meter, then see if the alternator is charging at 14 volts when the engine is running. The battery should be at least 12 volts with the engine off.
The problem could be in the wiring from the key switch or dash gauges back to the alternator.

Jan 26, 2013 | 2001 Ford Explorer Sport

1 Answer


Check the fuses there are 4 that you will need to inspect.In the engine juction fuse box its a 50 amp fuse (big ones).Then goe to the panel fuse box (under instrument panel) fuse 15 mini.Then inspect the battery connection this includes the alternator wire itself. If the fuses are good do a wiggle test on the wire and alternator remeber your alternator is internal vontage regulator equipt that means wiggle test the connections

Mar 02, 2012 | 1998 Ford Explorer

1 Answer

Where is my regulator wire?

THere would be two wires toi the alternator if it has an internal regulator. One heavy cable to the battery, and a light wire to operate the charge warning light on the dash.

Apr 11, 2010 | 1998 Ford Explorer

1 Answer

Ford Explorer, 1998, V6 4L SOHC. Will not start. Acts like battery is dead. Jump starts successfully. Battery takes and holds charge (13.3V) only when disconnected. When battery leads are reconnected...

Most partstores will test battery altenator and starter for free. Either your battery is dead or your connections are not metal to metal contact, or you starter relay may be shot. You can put key in on position and either test with a voltmeter or use a screwdriver and jump terminals on solenoid to see if starter turns.

Sep 26, 2009 | 1998 Ford Explorer

2 Answers

Firing order

that is true your firing order is wrong here is a link to a web sight that has all the 1998 explorers 6cyl just click on the one that your explorer is and it'll show you the correct firing order also make sure you have your plugs gaped right good luck.

Mar 22, 2009 | 1998 Ford Explorer

1 Answer

1998 ford explorer 4.0 sohc alternator wiring harness

'exploded look at steering wheel of ford explorer for repacking airbag. Plus the cruise control button dont work,
Please help.

Jun 14, 2008 | 1998 Ford Explorer

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