Question about 1993 Ford Ranger SuperCab

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93 Ranger Charging system

Thanks thats a good idea, I should have thought of it because we talked about it in my electrical class. Should I just split in to the wire leading from the fuse box to the dash, and run that through the firewall and into the ignition wire of the alternator? Thanks again for your help in this.

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Yes that will help just make sure to protect the circuit with a fuse holder and a fuse

Posted on Jun 03, 2008


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I have a 2002 GMC Envoy, Quite frequently my charging light will come on and state that I only have 10 volts coming out and then all the sudden jump to 14 and work perfectly fine

How many mile are on you vehicle ? Have you ever had Alternator replaced before ? You alternator maybe starting to fail , brushes or the voltage regulator .
Charging System Indicators
BATTERY The IPC illuminates the battery indicator when the following occurs:
The PCM detects that the generator output is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the PCM requesting illumination.

The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the body control module (BCM) indicating the system voltage.

The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.

The ignition is on, with the engine off.
BATTERY NOT CHARGING The IPC illuminates the battery not charging indicator in the driver information center when the following occurs:
The PCM detects that the generator output is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the PCM requesting illumination.

The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the body control module (BCM) indicating the system voltage

It would be a good idea to have it checked out , most auto parts stores will do this for free !

Dec 29, 2015 | GMC Cars & Trucks

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I have a 1993 ford ranger w/2.3l 5spd std.charging system will not charge.I've changed battery,altonator,belt,checked all the wiring in the engine compartment everything checks out fine.still...

Hi Closet, I think the problem will be with the voltage regulator or a defective alternator. I believe it will be easier to fit a service exchange unit. That will mean removing the alternator from the vehicle. Remove the keys from the ignition. I believe its a good idea to make sketches all the way through the procedure, that way you'll know what goes where. Disconnect the battery and remove the negative. Loosen the alternator tensioner until the belt can be removed. Disconnect the electrical connections. Remove the through bolt under the alternator and then remove the top bolt. Remove the alternator from the bracket. Fitting is the reverse procedure. Make sure the belt is correctly tightened, and you should be away. Regards Johngee10

Jul 24, 2011 | 1993 Ford Ranger SuperCab

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My 93 ranger is not holding a charge i replaced the battery the alternator the plug that goes into the alternator but still just drains the battery my ignition where the key goes is loose but i wouldnt...

If the ignition switch is effected by the loose
key cylinder ,it may play a role

You need to check out the switch
and look at a wiring diagram to see
what role the ign sw plays, with grounding
the alternator regulator,if it does

Put an AMP Meter in either battery cable
to check for excessive drain

Apr 22, 2011 | 1993 Ford Ranger SuperCab

1 Answer

Is something wrong if the reading is at 18-19? or should it read 14?

If you are talking about charging voltage, 18 or 19 is far too high and can easily damage electrical components and boil the water out of your battery. Most problems like that are the result of a grounded field wire or a bad voltage regulator. Unfortunately, the regulator is part of the computer
(would really like to meet the engineer who thought that one up). Before replacing anything make sure the battery holds a charge and can pass a load test. A bad battery can often cause the charging system to run wild.

Nov 23, 2010 | 1999 Jeep Cherokee

1 Answer


Ihave a ranger older but similar 2010@gmail let me think about it your heat dosn;t have anything to do with with the charging system pier .j i;ll get back to you and by the the way good question

Nov 18, 2010 | 1994 Ford Ranger Supercab

1 Answer

I cant seem to get my transfer case out

Check this link

Thanks Good Luck
Appreciate to rate as "Fixya"

Mar 18, 2009 | 1988 Ford Ranger

1 Answer

Driving along in my '88 Volvo 740 - all warning lights go on!

My first thoughts are with the battery cables, or the alternator. You probably had the heater, wiper and maybe the lights on? That's a big load on the electrical system. Have the battery and charging system checked out! It's common on this model for the alternator brushes to wear out and the good thing is that they can be replaced separately of the alternator.

Dec 18, 2008 | 1988 Volvo 740

1 Answer

87 ranger new motor bad truck

try to find an 1988======>93 ranger. the closer to 88 the better. the wiring harness is similar in 90-93, but you will have to adapt some parts on the newer.

Sep 10, 2008 | 1988 Ford Ranger

1 Answer

93 ranger charging system woes...

no it does not but how do you find when is charging? if you have a gage in the dash board and gage reads ok and then not ok then your gage is not doing ok but if you have a regular bulb with not gage i recomend you to install a volt metter straight on the batterie and pound on the stering column to see what you notice actually the only thing in the steering column controling the chargin system is the ingition switch, but may be whemn you pound on the steering afects the way the gage reads

Jun 02, 2008 | 1993 Ford Ranger SuperCab

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