I just replaced the alternator on my 1989 Nissan Maxima, but I cannot roll up my power windows and my radio does'nt come on. I checked the fuses and they appear to be okay. Am I missing something? Please help, its raining and windows are down. Thank you
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Sounds like the battery. If its not holding power it will cause the car to die. The alternator will charge the battery and keep power to the vehicle, but the battery is also apart of the process.
Replace the battery and check the battery cables for corrosion. At autozone or wherever you go to get a new battery get some terminal grease/protector for your battery. Its like .99 for a packet and will help keep your connections to the battery from corrosion.
First off - 125K mi is nothing on that car (as long as you maintain it). The alternator is actually also the voltage regulator and this aspect of the alternator frequently fails before the actual alternator itself does and causes irregular voltage - so it makes sense you drove without the battery connected but you probably were having irregular power instead of a nice steady 14V (the other thing to know is that even if they do show 14V all the time the amperage may differ, both problems = change the alternator).
TURN OFF RADIO TO KEEP FROM LOSING RADIO CODE.THEN YOU REMOVE NEGATIVE BATTERY CABLE.DISCONNECT THE 2 LEAD WIRES AND HARNESS CONECTOR FROM ALTERNATOR LOOSEN THE DRIVE BELT ADJUSTING BOLT AND REMOVE THE BELT. UNSCREW THE ALTERNATOR ATTACHING BOLTS AND REMOVE THE ALTERNATOR FROM VECHICLE.VISA VERSA PUT EVERY THING BACK.AND ADJUST ALTERNATOR BELT TENSION.WARNING DONT PUT TOO MUCH TENSION ON BELT.BECAUSE YOU WILL DAMAGE ALTERNATOR PULLEY BEARING.
You do need an alternator. Nissan has a campaign on Maxima alternator in certain years such as 96-98 I believe. Go to your friendly Nissan dealer abd have them punch your VIN number into the NNA net. they will know and that will tell them if your vehicle applies by the VIN. I have seen the alternator on fire. There was fire inside of the alternator. Have it checked or the car can catch on fire.