No dash lights, power seats or windows. alternator not charging. Engine runs
Had a problem with battery cable ends being loose. Replaced ends. Cranked car and have no dash lights,head lights, instruments do not work, no power windows or seats,and the alternator is not charging.(New alternator) The engine cranks fine and runs smooth. Gearshift will not come out of park unless you manually press the override button in the console. Any assistance with what to look for would be greatly appreciated.
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Re: No dash lights, power seats or windows. alternator...
It might be that when you changer the battery post you might not have connected all of the leads on the positive post. You might also check for blown circit breakers caused while changing the terminals.Try using a dc tester and search the main breakers for power. If you have the manual it shows the breakers and links in the bulb replacement section. JOHN-LA.
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after each step below check for power:
1. make sure you have a good ground. tighten battery negative if loose (also at the other end of the cable.) (tighten also the b+ if loose)
2. temporarily disconnect the wiring to the alternator. (tape any exposed wire.) (to verify if the alternator is not shorted)
3. check the ignition switch.
sounds like a loose power connection or bad wiring in the engine compartment. Check battery cables and ground connections at both ends of wires and cables first. If the problem remains, test equipment and a wiring diagram would come in handy.
Loose connection or alternator issue. Need to check the battery cables for a bad connection going to the alternator or to ground. That light comes on when voltage to the ECU drops below a threshold voltage. Sounds like a bad alternator. The light come on brighter when the engine is off because there is no other electrical load being drawn from the battery ( no coils or injectors or fuel pump running) Recharge the battery and have a mechanic check the charging system.
Your describing what happenes when a car runs out of battery power and your altenator has failed you. On your dash lights, has a battery symbol light appeared? An easy way to find out if your altenator has kicked the bucket is to hook up a voltage meter and see if you have 14.5 volts at your battery while the engine is running. But before you do that, you need to get your battery charged. Once you have that taken care of any auto parts store can do a free test with a battery tester to find out what is the cause of your electrical issue. For your SRS light it maybe due to your battery running dead or something else, You will need a scanner for that and again an auto parts store should be able to pull the code. Hope this helps you out.
First you can not test an alternator by disconnecting the battery cable. That is what we did back when cars had generators. Today you can fry the computer and alternator running the engine with the battery cable off. Meanwhile, I would look for a fuseable link or main fuse problem. The alternator circuit may not be connected to the fuse box and battery.
I cannot access the wiring diagram, but one of the wires from the alternator usually goes to the dash light. It may go through the computer or other circuitry on the way. If you can trace that wire, you may find the problem. Sorry I can't tell you more without the diagram.
When you say "turn key dash lights go out and all is dead", do the lights come back on when you turn the key back to "off"?
With key off, try turning on your headlights- are they bright?
Flip to high beams-do they get brighter?
**If lights get dim while trying this, it's the battery-(dead/needs charged or replaced-which may have been caused by a bad alternator).
Leave lights on, now turn your ignition switch to "on"-do the lights get dim or go out?
Try and start the car-anything change?
If the lights were fine until you tried to start the car, more than likely your battery terminals need cleaning/tightening.
The lights should at least get dim when you try and start the car but only while the starter turns over: when the engine is running your lights (as well as all your other electrics) are powered by the alternator.
If you do all this and lights are okay all through this procedure, your problem is probably in your starter circuit. (Starter relay, ignition/key switch)
sounds like the alternator is shot and is not supplying sufficient power to the engine or even enough to charge the battery, try replacing it, and you said the dash light for the alternator is on so its most likely the alternator
Sounds like your alternator is not charging your battery. Probably a loose wire, battery cables, alternator wires, or possibly a bad alternator. Check all the wire connections. Check for a loose or bad alternator belt and have the alternator and battery tested.