I have tested the alternator and the battery and both are fine. The only thing that happens when I try too start it is a click and that is it. When I bought the car the lights would flash and the lights on the instrument panel would come on. The only other thing that would happed is while I was driving with the heater on it would shut off and stay off and the lights would start blinking inside. Thanks for the help.
Check the solinoid, also see if all the connections to the battery are good and in working order. Ensure the post on the battery are tight. Could also be your relay between the starter and groound. Good Luck.
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you have a faulty alternator by the sounds of it, try this simple test, : test the voltage of the battery with the vehicle off with a simple multimeter, it should read just over 12v then test it with the car running, it should read around 14-14.5 volts if it still only reads 12v then your alternator needs replacing.
First things first, the car while not run long with out the alternator it supplies the electrical power you car needs not the battery, the battery is for starting the car. Go to your local parts store and have them test your battery and alternator, if you don't have a test or, they can do this with the parts still on the car and load test them. If those check out ok then check your ground to starter and frame ground wires for rust and corrosion, if that checks out ok. Remove starter and take to local parts store and have tested to make sure starter solenoid isn't week and that starter is working fine. My guess is one of these things are your issues. Is a check engine light on and if so have you read the codes?
The different engine applications that the Ford Taurus and Mercury Sable are equipped with utilize different types of alternators. The following is a list of vehicle applications. For 1986-90 vehicles:
The 3.0L and the 3.8L engines utilize a side terminal alternator.
The 2.5L and the 3.8L (with Police Package only) engines utilize an alternator with an integral rear mount regulator and an internal fan.
The 3.0L SHO engines utilize an alternator with an internal fan and regulator.For 1991-93 vehicles:
The 2.5L, 3.0L and 3.8L engines utilize an alternator with a rear mount regulator and an internal fan.
The 3.0L and 3.2L SHO engines utilize an alternator with an internal regulator and fan.For 1994-95 vehicles:
The 3.0L, 3.8L and 3.0L SHO engines utilize an alternator with a rear mount regulator and an internal fan.
The 3.2L SHO vehicles utilize an alternator with a internal regulator and fan.
1. Disconnect the negative battery cable. 2. Loosen the alternator pivot bolt, then remove the adjusting bolt. 3. Remove the alternator drive belt from the drive pulley. 4. Tag and disengage the wiring terminals from the back of the alternator. The stator and the field wiring are the push-on type of retainer. After depressing the lock tab, the connector should be pulled straight off of the terminal to prevent damage. 5. Remove the alternator pivot bolt, then remove the alternator from the engine. 6. Position the alternator on the engine. 7. Install the alternator pivot bolt and the adjusting bolt, but do NOT tighten the bolts until the drive belt it tensioned. 8. Engage the wiring terminals to the alternator, as tagged during removal. 9. Install the drive belt over the alternator drive pulley, then adjust the belt tension using Belt Tension Gauge 021-00019, or equivalent.
When adjusting belt tension, apply pressure on the front housing only.
10. Tighten the adjusting bolt to 30-45 ft. lbs. (41-61 Nm), then tighten the pivot bolt to 50-70 ft. lbs. (68-94 Nm). 11. Connect the negative battery cable.
Take the battery out and take to an autoparts store where they can load test the battery to see if it is in good shape. If it isn't you need a new battery. If it is then make sure the cables and posts on the battery are clean, corrosion free and not loose. If that isn't it then you might need to replace your alternator which isn't chargin properly.
First check the alternator drive/serpentine belt and make sure it is tight and not worn out. Replace it if it is cracked or glazed. Clean the battery cables and battery posts. With a voltmeter check the voltage at the battery with the engine running. If you have less than 13.5 volts the alternator needs replacing.
CHARGING CIRCUIT NOT WORKING PROBABLY ---CHECK THE BATTERY CONNECTIONS FIRST
THEN NOTHING ON OR W NEG CABLE DISCONNECTED CHECK THE aLTERNATOR WIRE CONNECTION
OR THE COIL MAY BE WORKING IMPROPERLY TOO
OR YOU GOT A BATTERY WITH WHAT'S CALLED A DEAD CELL--BRAND NEW
IT HAPPENS ---IF YOU GOT IT AT AN AUTOPARTS STORE OR CAN GET TO A aUTOZONE OR
aDVANCE AUTO --they should be able to test it all if you don't have a volt meter with a dc setting
there is a way to field test the alternator easily --but you need the volt meter --one red lead goes to a Grounding cut on --small in the back of the alternator and the black to a good ground I use the battery neg or a bolt on the engine accessory bractets ---you insert the red lead probe into the
ground plane slot --while cranking needs to exceed 13volts to considered charging
or you can use a Clamp on meter on the positive wire coming from the alternator too
I have the 97 SHO ---3.4 v8 ---now that's a hand full
I did have a 99 merc mystique albeit identical to yours though
My SHO alarm system will slowly drain off the battery to when left parked for a week
probably a short to ground or slow draw bleed off ---I haven't even tried to track it yet
I leave it parked --due to law enforcement harassement and I've had a clean license forever
just can't drive to or from without being harassed and it's 100%stock
ford in 2010 launches the 365hp twin turbo ecotec V6 with all wheel drive ---but I already know
ford techs --won't fix them right when things go wrong and they will --heck they won't change
the oil in a late model sho v8 ---"Not Qualified" or 'Not allowed to per ford corp mandate sorry"
No Dealer service available to date --I've been to 27 dealers for service when traveling =no dice
had to go to Lexus for an oil change --Kudos to Lexus