Question about 1984 Nissan 300ZX

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Won t start after sitting for two weeks

84 Nissan 300zx stick shift, will not start at all. Battery is 4 months old. Tried to jump start it but nothing happened. Tried to start it afterwards no sounds, nothing; what should i do?

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  • Master
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Check the starter, starter motor and the starter are one unit. just under nearth the battery. make sure the red battery wire is tight. and the black ground is tight to the chassis.
if you don't hear any clicking sound, the starter is bad, need replacement.
if you hear clicking sound then look for the starter module. mounted on the side of the distributor.
these are two most problem area.
if it still don't start, go to zcar.com or 300xcar.com
they should able to give you most place to look.
\
good luck

I driving a 82-280zx

Posted on Oct 30, 2008

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  • Nissan Master
  • 383 Answers

Z royals:maybe I can help: your starting circuit works as follows.
Power comes off the battery goes to the fusible link box located on the right inner fender just behind the shock tower. The box is roughly 4 inches long and two inches wide, black in color. Remove the cover and you will see two green connectors with two red wires coming out of each one and independently plug in at the other end of the wire. There will be A heavier Black wire and a green wire.
These wires are called fusible links. You are interested in the red wire closest to the black wire in that box. Disconnect it from the single end side and carefully try to pull it like you are trying to stretch it. If it does stretch, the fusible link is blown.
If it doesn't stretch, it's good, so reconnect it. From that box, the power travels through the wiring harness via a white wire with a blue tracer. This wire goes all the way to the ignition switch. If you use a test light, it should be hot all the time because it is not a switched circuit. From there, it passes through the ignition switch when you put it in the start position coming out of the switch and there are two wires which are energized at that point: a black with white tracer and a solid yellow wire. These energize an "anti- theft relay" which is located in a relay box further forward of the shock tower on the right inner fender.
It too has a black cover. Often the cover is labeled. However I will tell you exactly where it is located in the box so you can't make a mistake. If you are standing on the right hand side of the car with the relay box directly in front of you, the relay will be on the side closest to the engine. Look at the groups and you will notice they are in rows of three with the exception of the very front row. It only has two relays. So if you start at the row of two relays and count the relays on the side closest to the engine, relay # 1 is in the row of two relays. Relay # 2 is in the row of three relays.(to the left of #1). Relay # 2 is the one you want! It is the anti-theft relay which the current must pass through before it reaches the starter. Power comes out of that relay and goes to the starter solenoid as a solid yellow wire. Now there is one other item (other than the battery and cable connections) that is the clutch switch. It also has an influence on the starting circuit. Th clutch must be depressed in order for the stater to operate. If the switch is bad. you bypass the switch by disconnecting the wires from the switch and jumping them together. CAUTION!!!! If you do this, the car will start in gear if it is left in gear!
So there you have it, the circuit from the battery to the starter complete with the colors of the wires and component locations.
If you know how to use a test light, if you disconnect the wire from the starter solenoid and hook the test light to it, when you turn the key to the start position, if the circuit is complete, the light should be as bright as it would be when you touch it to the battery terminals. It takes 9.6 volts to energize that starter.
You can also, With CARE, Use a jumper lead, taking power off the positive cable which is connected to the back of the starter solenoid and touch the other end to the solenoid connector that you pulled the wire off of. MAKE SURE THE CAR IS OUT OF GEAR!!!!!!!
If the starter kicks, your problem is within the circuit I described above.
Also, if you have those replacement battery cable ends and they are not clean, you can have a problem with your electrical. Electricity travels around the wire's surface and not through it's core!
Good luck, and let me know how you do. mybunkey.......

Posted on Apr 16, 2009

  • Bill Hackett Apr 17, 2009

    I want to make a correction to the starter circuit description. In going back over the diagrams, I discovered that the clutch switch does not have any relationship to the starting circuit is in the later series Nissan's that the clutch switch was integrated into the starting circuit. mybunkey

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