Question about Lincoln Mark VII

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Will not charge. replaced alternator, and voltage regulator. fusible link is good. battery tests good

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  • Lincoln Master
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What year is this mark vll?On the back of the alternator look for 12 volts on the large connector out put,with the engine off.If there is not 12 volts at that connector,run a new wire,as big ,or larger than the one on it,and go to the positive side of the battery,this will fix it.If there is 12 volts there,check it with the engine running,and see if 13.65 to 14.25 volts is thereat the large connector on the back of the alternator.Check the voltage regulator,see if there is 12 volts on one wire,with key off,and 12 volts on another one,only with key on,if there is,then replace the voltage regulator,it is a defect.

Posted on Nov 14, 2009

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  • Lincoln Master
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Good the alternator you installed be bad? if it tests good then theres a fuse or a wire thats bad, check links at starter and battery and alternator if it has them there,start there, i would first have that alternator tested.good luck. also check wiring to regulator had problems with that!!!!

Posted on Nov 14, 2009

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I have a 1996 ford e150 new alternator good battery but won't charge was charging but quit is there a fuse or relay


There are a couple of fusible links and a regulator fuse . G 60amp located in the underhood fuse box. Is the charge indicator lit on the instrument cluster ? The fusible links connect at the starter relay on righ inner fender . Do you know what a fusible link is and what it looks like ? New alternator ? aftermarket or ford replacement ? Check for B+ voltage at wires on the alternator , to see which have B+ voltage look at wiring diagram at http://www.bbbind.com/free_tsb.html Enter vehicle info. yr . make , model , engine etc... System click engine , then charging system under subsystem . Click search . then click blue link .

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My alternator went out yesterday. I was told that I have a fuse and to check it first but I am unable to locate it in any of my fuse box. Does a 2005 Chevy Impala have an alternator fuse????


The red wire from starter, at the alternator, hot all the time. The orange wire at alternator, hot all the time. Use a test light on those wires, if hot, I don't think it is a fuse? Your owners manual should have the fuse layout.


25936399-5losswde1k1uvrnyqw3hhbfg-1-0.jpg

Nov 01, 2015 | Cars & Trucks

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Intermittent charging


Sounds as if the voltage regulator is going bad. Most are now located on or inside the alternator itself. Passing the test with the problem being intermittent makes a case for the regulator. I suggest getting a regulator, or replace the alternator with a friends if you have one whose model will fit.

Jul 28, 2017 | 2004 Ford Crown Victoria

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Alternater wont charge battery and fusable link on starter keeps burning


Bad voltage regulator. Usually built-into alternator.
Start car and unplug battery, if it dies your alternator is dead. Get new alternator. If car keeps running, get a voltmeter and check voltage coming through - should be higher than 12v but less than 18v. Any other number means your voltage regulator is dead, cheaper to get a new alternator.

Jan 11, 2013 | 2000 Dodge Neon

1 Answer

Battery is good, had alt checked, its good, still not charging


Assuming that the checks you had done are in fact correct, then the most likely problem would be a bad fusible link in the charging line from the alternator to the battery. The easiest way to test this is to remove the red wire that is bolted to the rear of the alternator and check for voltage there )(on the wire). It should read the battery voltage level. If is is zero volts, or a very low voltage as compared to the battery, then the fusible link in the line is either severed or very close to it. A shop can find and replace the link at a reasonable cost. A DIYer can do it also, providing he can find the link location. Fusible links are installed in these lines to act as protection for the battery and alternator under high current conditions. Fusible links can also crack and break from excessing flexing and age.

Jul 25, 2011 | 1997 Chevrolet Cavalier

1 Answer

Where do i trace my orange/blue wire to from alternator? i have new alternator and batteries, but won't charge. will charge if i jump orange/blue to positive post. Any good suggestions? Thanks Phil


The orange/light blue wire is connected to the red (positive) wire from the battery, through a fusible link (or two links depending on engine size) to pin #3 of the voltage regulator at the alternator. The fusible link will be in the harness so you may have to disassemble the harness. The fusible link is probably blown. This was probably caused by the defective alternator/regulator assembly.

According to my diagram, it appears to go from the red batt wire to a gray 12 gauge fusible link, into a brown 18 gauge link, then turns into the orange/light blue wire and to the alternator.

(A fusible link is a piece of wire that acts like a fuse and will burn out, opening the circuit when amperage above its rating. This protects the circuit and lessens the chance of fire).

Good luck, please ask if you need more info.

May 03, 2011 | 2003 Ford F250 Super Duty Crew Cab

2 Answers

I have a 1990 f150 lariat my alternator wont keep my truck running I replaced the alternator today along with alternator harness. I got the alternator tested and its good, the battery is good, and soliniod...


https://s11.postimg.org/crrcun103/generator.jpg

Click on the link.
The diagram shows generator with internal voltage regulator and with external voltage regulator, at the moment, I don't know which one you have?
The bat terminal at the generator should be hot even with the key off, is it, use a test light. If no voltage either the fusible link is faulty or the wiring circuit to battery +. You can see fusible links in diagram.
Could be other issues, the generator probably needs excite voltage or it won't work. The excite voltage comes from charge indicator circuit. Does the charge lamp on the dash work?

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2 Answers

Charging light come on after alternator replaced


No fusible link, make sure the wires connected to the alternator are making good contact. If you installed a rebuilt alternator, it could be defective. Also check the voltage regulator

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