I have changed the serpentine belt, it has a new alternator, I had the battery tested and the cables have been cleaned up and look good, but the gas,interior,window fluid, batter, brake, parking brake, service light, and cooling won't turn off. 8 lights that remain on. I have tested all the fuses, cleaned the MAF sensor and am at a loss. Any help
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Re: indicator lights on the dashboard won't go out
Usually when your lit up like a christmas tree its a sign of battery not getting full charge. Check the wring harness first, (if alternator is new it should be under warranty so worth checking that out.) Especially if you have a multimeter handy: check DC voltage at the battery. with it running a decent charge would be abour 13.7-14.1. if you're some where around there you're good. if it's below that your alternator is failing in some manor.
Could you take out a bulb and with a testlight/probe check that you do in fact have power to that circuit .Also check that they are the correct bulb for that application I have seen people put indicator bulbs in where therse supposed to be a double filament bulb.Does the base of the bulbs lead contacts line up with the two steel terminals inside the plug?
DASH LIGHTS ON 850 VOLVOS SOMETIMES THEY DONT MAKE A GOOD CONTCACT I REPLACED MY ISTRUMENT CLUSTER AND HAD TO TKE IT OUT 4 TIMES AND PUT ELECTRICAL GREASE ON BULBS AND CHECK THE DIMMER SWITCH IS ALL THE WAY TO THE RIGHT OR THE HEADLIGHT SWITCH PLUG
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The battery light does not mean the battery is bad. The battery is there only to start the vehicle. Once running, the alternator supplies the power to operate the car and recharge the power lost by the battery during the starting process. Anytime the vehicle draws more power than the alternator is producing, the battery light will come on. In most cases, this indicates a faulty alternator, but there could be other electrical issues that can cause the problem. Have the charging system tested to ensure that it is working okay. If you don't, you will discharge the new battery. Since you say it is only happening at idle, it is possible that the serpentine belt may be glazed and slipping, or that your belt tensioner may be weak and faulty. The belt drives the alternator and if it is slipping, that will reduce alternator output.
The alternator in your car is one of the easiest fixes you can do. First, remove the NEGATIVE (-) battery cable.
You must relieve the tension on the serpentine belt by loostening the retaining bolt, then remove the wiring harness plug from the back of the alternator, then remove the two retaining bolts from the alternator. Reverse the procedure to install the new alternator, making sure that belt tension is adequate. Replace the netgative battery cable last, and test.
If the serpentine belt is loose, replace the belt.
If you know for sure the battery, alternator, and serpentine are OK. then (A) you might need more power to start than your battery can produce. This is not likely because the jump battery does the job. (B) are not really charging because of a bad connection at ground, battery cable, or fuse. You can test this with a volt meter. You might try checking the battery condition just after running by turning on the headlights and see what they do when you try to start. You can check it again a few hours later. (C) Something in the car is draining power. You can check this by (1) disconnecting the ground cable at the battery, (2) charging the battery, (3) connect a test lamp between the the battery cable and the battery. If the test lamp glows, some device is pulling power with the ignition off. Pull fuses one at a time until the test light goes out. (replace the fuses if the light stays on.) Then find the component on the fuse that is grounded and fix it. Look for simple stuff like a wire with bad insultion at one spot or maybe a bad cigar lighter.
I can't imagine how changing the belt would have any effect on the electrical system if the alternator is working. The way you check for a drain is to disconnect the battery ground cable and use a test light to make the connection between the battery and ground. If there is something drawing power from the battery the light will glow. Then you pull each fuse from the fuse boxes until the light goes out. You also disconnect the starter and alternator if necessary.
This may be an indication of a poor battery connection, a slipping (worn or cracked) serpentine drive belt, or a bad battery.
Corrosion around the battery cables prevents the alternator from replenishing full power back to the battery
A bad drive belt tends to slip around the alternator and like in #1, doesn't replenish full power back to the battery
A bad battery with a dead cell won't accept a full charge.
Not mentioned above and less likely is a bad alternator. If you don't have a bad battery connection or a worn drive belt, I'd recommend having the electrical system checked out (most chain auto parts stores will do a free check).
Just follow these steps to remove and replace the alternator. You will need this tools, Serpentine belt tool, Battery wrench, Lug wrench, Floor jack, Jack stand, Socket set,
Open the hood, locate the serpentine belt tensioner and move the tensioner off the serpentine belt with the serpentine belt tool. Slip the belt off the tensioner pulley with your other hand and then slowly move the tensioner back to its normal position. You can pinpoint the location of the belt tensioner by following the belt routing diagram, printed on the fan shroud.
Disconnect the negative battery cable from the battery with the battery wrench. Push the cable end away from the battery so it doesn't make contact during the repair.
Turn the lug nuts on the right-front wheel counterclockwise until they're loose enough for hand removal, but leave them on for now.
Lift the right-front end with the floor jack and support it on a jack stand placed underneath the right-front frame. Remove the lug nuts and right-front wheel by hand and set them aside.
Slip the serpentine belt off the alternator pulley by hand. You can access the alternator through the wheel well. Unplug the wiring harness from the alternator by hand and remove the ground strap with your socket set.
Remove the alternator mounting bolts with your socket set. Lift the alternator out of the engine well, through the wheel well. Insert the new alternator in reverse of how you removed the old one.
Thread the alternator mounting bolt through the new alternator and into the alternator bracket by hand. Tighten the bolts with your socket set.
Attach the alternator ground strap with your socket set. Plug the alternator wiring harness in by hand.
Slip the serpentine belt over the new alternator pulley. Reinstall the wheel and lug nuts by hand. Lower the Taurus of the jack stand with the floor jack.
Move the belt tensioner aside again and place the belt on the tensioner pulley with your free hand. Hold the belt on the pulley and slowly move the tensioner back to its normal position. Reconnect the negative battery cable to the battery.
Turn off the engine and place the transmission in park (automatic) or first gear (manual). Engage the parking brake and open the hood. Disconnect the negative cable from the battery terminal using the battery terminal wrench.
Remove the serpentine belt by inserting the end of the serpentine belt tool into the square hole on the belt tensioner and rotating the removal tool clockwise. Unplug the alternator's electrical connector. Remove the bolt holding the positive voltage cable to the alternator using a 3/8-inch ratchet and a metric socket. Remove the positive voltage cable from the alternator.
Remove the alternator bracket bolts using a metric socket connected to a 3/8-inch ratchet. Remove the alternator from the car. Place the new alternator in the mounting brackets and reinstall the mounting bolts using a 3/8-inch ratchet connected to a metric socket.
Reinstall the positive voltage cable on the alternator and tighten the retaining nut using a 3/8-inch ratchet and a metric socket. Plug in the alternator's electrical connector. Compress the serpentine belt tensioner using the serpentine belt tool. Reinstall the serpentine belt according to the belt-routing diagram located under the hood.
Reconnect the negative cable to the battery using the battery terminal wrench. Start the engine and verify that the alternator works.
This is a good indication of either a worn serpentine belt or corrosion on the battery cables/posts or a combination of both. When the battery light comes on it's indicating that sufficient charge isn't being registered. Check the serpentine belt for breaks or slickness. If either is true, replace the belt. Best of luck.