My 1997 Nissian Maxima starter continuously whines when the ignition is off...What do I do? I've disconnected the ground wire to avoid further problems.

Try to clean all cables to battery and starter. A bit of oxidation may be causing the problem, or your battery has a bad cell and is about to go. Especially if the battery is over 5 years old.

just run a wire from the ignition switch starter connection straight to the starter motor solonoid

the knock sensor is not the problem it is telling you you have a knock does Engine. make exec. noise if so find out why could be a timing problem

The starter relay is on the starter housing and is part of the solenoid. If you have 12v on the trigger wire with it connected to the starter and the ignition switch at START, then the problem is a bad ground connection either at the starter or battery. If you have 12v only with the wire disconnected and ignition switch at START, then you ignition switch is bad.

first unhook the battery, remove the air cleaner box and ducting to the throttle body, you will see the 2 bolts for the top. you will then need to go under the vehicle(make sure the vehicle is properly supported), and you will see the bracket between the engine block and the intake manifold, remove it.the starter wire does not get removed from the starter, it has a connector about 4-5 inches away. disconnect it there. disconnect the battery cable from the starter, remove the last bolt and it will come right out. all in all it takes about 30 minutes. most places will charge a "core charge" on a product like this. dont be suprised, however when you return the old starter you will get your money back. let me know if you need further assistance.

it is one of two things.

• the starter is either worn and brushes not making contact or an engine oil leak onto the starter. thus keeping the brushes from making contact you can check this by banging on the starter while someone trys turning the ignition back and forth to start.(making the click click click)

• ignition switch is weak, not providing enough voltage from the to kick the soliniod all the way to start the starter

The way to check that is to hot wire the starter soliniod little wire, to battery voltage. (the big cable on the solinoid)
If it turns over good, then you can either replace the ignition switch or install a relay someware near the starter to supply it with propper current to kick the solinoid all the way to engage the motor.
The relay acts as a remote starter switch that feeds more direct power to the starter solinoid.Now the only thing the ignition switch is responsible for, is trigger the relay.

1.disconnect battery
2. unbolt old starter
3. disconnect wiring
4. remove old starter
5. install new starter
6. connect wiring
7. reinsert bolts
8. reconnect battery

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1. Connect diagnostic read-out tool to SMEC connector, then disconnect the speed sensor connector and ensure there are no pushed out or damaged terminals. Repair damaged terminals, then proceed to Test 38.
2. If there are no damaged terminals, set diagnostic read-out tool to ``Read Sensor Values,'' and select ``Vehicle Speed.'' Connect a jumper wire at between black/light blue and white/orange wires of speed sensor connector. While reading diagnostic read-out tool, make and break jumper wire. If display reads any speed above 0 mph, replace speed sensor, then proceed to Test 38.
3. If display reads 0 mph, turn ignition switch Off and disconnect 60-way connector from SMEC. Ensure there are no pushed out or damaged terminals. Repair damaged terminals, then proceed to Test 38. If there are no damaged terminals, proceed to step 4.
4. With sensor disconnected, connect ohmmeter between 60-way connector terminal No. 67 and ground. If ohmmeter shows continuity, proceed to step 6. If ohmmeter does not show continuity, move meter lead from ground to white/orange wire of speed sensor connector.
5. If ohmmeter indicates continuity, proceed to step 7. If ohmmeter does not indicate continuity, repair white/orange wire of 60-way connector for open circuit, then proceed to Test 38.
6. Disconnect bulk head connector to instrument panel. If ohmmeter still indicates continuity, repair white/orange wire for a short to ground in harness, then proceed to Test 38. If ohmmeter does not indicate continuity, repair white/orange wire for a short to ground in instrument cluster area.
7. Disconnect ohmmeter leads and connect ohmmeter between 60-way connector terminal No. 4 and sensor connector black/light blue wire. If ohmmeter does not indicate continuity, proceed to step 8. If ohmmeter indicates continuity, replace SMEC, then proceed to Test 38.
8. If ohmmeter did not indicate continuity, repair black/light blue wire of speed sensor harness for an open circuit, then proceed to Test 38.

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This could be electrical in nature. Your starter may need replacing as it may be affected by the heat. It may have worn out. Wiring and ignition coils can be affected by heat when they are worn out. Check also the wires for corrosion or loose connections.

try to check the battery if voltage is adequate. If it checks out OK, you may want to check on the connections, the ground wires and wiring that leads to the starter, the starter relay and the ignition. It may also be the starter relay.