I have been having difficulty with my Nissan Pathfinder. It hasn't been starting. Often times I can get it to start after several attempts, otherwise it always works if I jump start it. I have replaced the battery and have had the alternator, battery, regulator checked. I read online that this problem may be simply due to a faulty brake light switch. I know nothing about cars but I went to Napa and purchased the right part. I am able to identify the brake light switch but I can't seem to get it to detach from the harness. Please help me
Does it say 'emergency brake' or just 'brake'? If it just says brake, you could be low on brake fluid on your 2001 Nissan Xterra.----------------------------------------------------------------------------------
KESS V2 OBD2 Manager Tuning
It isn't triggering any lights. However, when it doesn't start my brake lights won't come on even though the rest of my dash, headlight, interior lights will. I figured I should replace this 11.00 $ part before I start to replace things that don't need to be fixed. A friend who does mechanic work on the side hooked a voltmeter up to my car and everything with the alternator and the battery are perfect.
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SOURCE: Truck Wont Start and Battery Runs Down.
get a load test done on you battery and alter nator and check your starter for corrision check battery connections before you jump start it and when hooking up cables to your truck let it charge for a few minutes before you crank it if alternator is fried it will only run on juice of battery then will die.the clicking sound is your starter trying to engage but not enough cranking amps left in battery if you can get it going or take the battery out and take to a good auto shop and get them to load test it no point replacing a good battery just to find out it is alternator or starter
I personaaly think it may be alternator but suggest you test if battery is good starter as well ! more thing check that battery terminals are clean and tight
SOURCE: we have a 2001 nissan maxima with an electrical problem.
It can be the alternater but at the same time the car could of jumped time on you but i would try a tune up on it first cause that is the most common problem for a car dieing out
SOURCE: Oldsmobile alternator doesn't work after
THE RED SMALL POSITIVE BATTERY FEED WIRE COULD BE BROKEN THAT GOES TO BACK OF ALTERNATOR.CHECK TO SEE IF POWER GOING TO THE WIRE.IT NOT POSITIVE BATTERY SMALL FEED CABLE BROKEN.OR YOU HAVE BLOWN FUSE LINK.IF ALL IS GOOD YOU COULD HAVE PCM PROBLEMS YOUR FIELD CONTROL CIRCUIT PART OF THE PCM CIRCUIT.HAVE VECHICLE SCANNED TO LOOK FOR ALTERNATOR PCM FAULT. AFTER YOU INSTALL NEW ALTERNATOR DONT CRANK THE CAR UNTIL YOU GET A SCANNER AND ERASE TROUBLE CODE FIRST BECAUSE THE PCM THINK OLD ALTERNATOR STILL IN VECHICLE AND WILL CAUSE CHARGING PROBLEMS.
SOURCE: 1994 Plymouth Acclaim 2.5, 4 cyl won't start
on the backside of the alternator there should be a large black/grey wire. check to see if there is battery voltage on that wire. If there is not than you have a blown fusible link that is inbetween that wire and the battery. If there is power there than check for power on the dark green with dark blue wire. There should be power anytime the engine is running. If there is no power than there is a problem with that wire in between the alternator and the ASD relay.
Check those two out and let me know what you find.
I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
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