Question about 2003 Nissan Se R

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NISSAN SERENA 2.3 DIESEL ALTERNATOR

WHEN I INSTALLED MY NEW ALTERNATOR I FOUND A YELLOW & BLACK WIRE THAT WAS NOT ATTACHED TO MY OLD ONE. A FRIEND OF MINE WHO IS A MACHANIC SAYS ITS PROBABLY PART OF THE WIREING LOOM NOT USED ON THE 2.3 DIESEL, BUT MAY BE USED ON OTHER MODELS. HE COULD BE RIGHT BUT I NEED TO KNOW FOR SURE.CAN YOU HELP. THANKS, BERNI.

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Hello , it is nice to have a friend like yours , and be sure that he is right , it is used in other model , and if you needed any help just ask , and thank you for using fixya.

Posted on Jun 26, 2008

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Posted on Jan 02, 2017

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What i what want to know is what alternator specification, its serial number which is appropriate for my 1993 model nissan serena?


Here's a link to your alternator,you will have to give them yours and get the one with a lifetime warranty,also get them to test yours,it's free,only takes a few minutes. Alternator at AutoZone com Best Alternator Parts for Cars Trucks SUVS
  1. Disconnect the negative battery terminal.
  2. Disconnect the 2 lead wires and connector from the alternator.
  3. Loosen the drive belt adjusting bolt and remove the belt.
  4. Unscrew the alternator attaching bolts and remove the alternator from the vehicle.
To install:
  1. Install the alternator and retaining bolts loosely.
  2. Install the belt and connect the wiring.
  3. Adjust the belt as outlined in General Information & Maintenance . Torque the retaining bolts to 25 ft. lbs. (34 Nm).

Aug 13, 2015 | Nissan Cars & Trucks

1 Answer

Need photos of alternator and starter wiring on 93 nissan 4wd - 4 cylinder truck yes please i disconnected and didnt label wires thought it would be faster it wasnt. its good lesson. the engine...


there are 4 wires go to alternator
2 white wires go to battery
1 black wire goes to ground
1 yellow/black goes to bulb check relay
starter has only two wires
the big one goes to the battery and the small one goes to ignition system. you can not mix the terminals because the size of the studs on the starter

Mar 07, 2010 | 1993 Nissan Pickup

1 Answer

Battery recharging


You may have a burned out 'fuse link' in the heavy wire running from the alternator to the starter solenoid (+ battery cable side). Check for proper charging by measuring the battery voltage with engine running--it should measure 13.5 volts DC to 14.5 volts. If it reads 12.6 or less volts, it is not being charged. Read the voltage at the heavy wire connection on the back end of the alternator--it will read about 18-20 volts if trying to charge. The voltage regulator can be defective causing no charge from the alternator. Take the car to Autozone or similar business that can assess the condition of the alternator for free (they want to sell you a new part if needed).

Feb 11, 2010 | 1990 Nissan Minivan

2 Answers

1984 mercedes 300 diesel has no electrical power when running


Old Diesels do not require electricity once started so luckily the problem wont stop you once you're up and running, though if at night you wont have headlights, brake lights, hazzards or turnsignals.

Even if it was a dead battery, your alternator would still give you power once started.

I'll need more information to help diagnose better. First, once started, do you have electricity? Or is it dead all the time?

Alternators need the engine to spin them, so first make sure there is a belt attached to the alternator...open hood, look bottom left of engine for alternator...look to see if there is a black rubber belt attached to the pulley on front of alternator.

Then make sure wire cluster plug is plugged in securely to top of back of alternator. If so, follow the wires up to battery and see if they are torn, detached, worn or corroded.

You will need to a good new battery and to pick up a cheap voltage tester from Radio Shack or similar place. Check battery power, set voltage tester to 12V and with engine off voltage should be around 11-12V...once engine is started, it should be showing 13 to 14 volts.

There are lots of "bad" ways to check to see if alternator works, but they can damage the alternator's internal voltage regulator...so I warn you not to detach from battery while running.

If new battery is installed, connectors and all wires connected tightly, and still no power once engine is started...or you see voltage slowly dropping while engine is running...and turn on headlights...see if it still goes down lower...reach over top of engine with a friend holding tester leads to battery terminals, you can rev the engine...there is a metal bracket at top center of motor that will have a red sticker that says, "engine stop" pull it away from engine to rev, push to shut off engine...this a fuel control gadget. If you rev the engine and there is no change in voltage...and all wires are intact from alternator...then your alternator is not working properly and will need replaced.

I stress this, before you decide this is the prroblem (which is expensive and time consuming to fix, MAKE SURE ALL WIRES are SECURELY ATTACHED and in PLACE.

Please let me know if this helped you and if not, tell me what you learned and the other clues I need to better diagnose. Thanks and good luck!


Feb 28, 2009 | 1984 Mercedes-Benz Mercedes Benz 300 Class

1 Answer

Differance between nissan largo and nissan serena engine


The Engines aren't the same for these two cars.

NISSAN SERENA RUNS EITHER: THE "SR" FAMILY ENGINE or THE "QR" FAMILY ENGINE. Find out which is yours.

NISSAN LARGO RUNS THE "KA" FAMILY ENGINE. IT IS THE SAME ENGINE FOUND INSIDE THE FAMOUS '240SX', I HOPE THIS HELPS YOU.

Oct 19, 2008 | 1995 Nissan Sentra

1 Answer

Nissan serena does not start


most likeliy is the ignation module located at the side of the distributor.
chekc the spark from the high voltage plug first, if no spark then you need to replace the IM.




if this answer is helpful, please rate the answer

thank you

Jul 03, 2008 | 1990 Nissan Minivan

2 Answers

I need engine parts for overhaul of 1998 nissan serena 2.5 liter direct injection turbo diesel engine


Hi again,

Is your Serena:
1. auto transmission or conventional shift?
2. 4 wheel drive or Front Drive?

Salamat ulit.

Jun 27, 2008 | 1990 Nissan Minivan

1 Answer

Nissan serena alternator


You must test first if your alternator produces output voltage (usually about 13.5V)
A test light is a simple but extrememly useful tool.
If you are trying to diagnose and troubleshoot an electrical problem, sometimes a test light can help you rule out possible causes much more quickly and easily than a DMM (Digital Multi Meter)

Jun 04, 2008 | 1998 Nissan 200SX

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