Question about 1986 Nissan 300ZX

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Digital dash cluster for nissan 300zx how to repair it

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017


SOURCE: 1988 olds trofeo digital dash

As long as the 89 was produced before september (88) the 89 release models one wire was backward in the production line.

Posted on Oct 03, 2008

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SOURCE: 1988 olds trofeo digital dash

Knowing Honda, or any other car manufacturer in the 80's, they are probably the same. The only reason for a redesign of dash midway through a given generation of a car would be for cosmetics. If they look the same and they're only one year apart, its probably the same thing. Redesigns surrounding this generation were 1986 and 1990. probably the same.

Posted on Feb 16, 2009

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SOURCE: no digital dash lights

Check the fuses. sometimes when you charge a battery it will blow a fuse. Hope this helps.

Posted on May 05, 2009

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SOURCE: 94 nissan 300zx factory radio

There are some small clips that need to be removed. So be careful with them.

Take a look at this picture.

Posted on May 23, 2009

  • 383 Answers

SOURCE: replace digital dash

jsierra90: I'll bet you are wanting to replace it because it doesn't light up and operate any more? Correct? 9 out of 10 times that is the primary reason people think the dash needs to be replaced.
Good news. The power supply for the digital dash is a lot easier and cheaper to replace than the digital dash.

Here are the symptoms if it was the power supply: The dash would be intermittent in operation where it would start off sometimes just flickering or going on and off. You might experience a loss of the tachometer or the entire dash. The problem would continually get worse until it would become more off than on. IF SO, your power supply to the dash is the problem.
The power supply is located under the dash just to the right of the steering column. When you remove the lower panel which is 2 screws # 6 phillips screw driver. A screw at the bottom right hand corner and same on the left hand corner. The top part of the panel just hooks into the dash, so by lowering it 30 degrees it should drop loose.
Now you will see a box about 4' X 4 ' if I recall correctly dull Silver in color with two harness connectors plugging into it.
(NOTE, IT WILL BE THE ONLY BOX ON THAT SIDE IN THAT LOCATION WHICH FITS THAT DESCRIPTION.) The box is secured by 3 or 4 bolts requiring a 10mm wrench and/or socket to break them loose. Most of the Nissan hardware that size have a place for a phillips bit screw driver as well. They have been doing that since the early seventies and it'f I'm not mistaken, I think I have seen some hardware like that on the old SRL-and SPL-311's
The old Datsun Roadster's. OOOPS! (1960's) I think I might have given a hint as to how old I am. BUT, I don't FART DUST YET!
ANYWAY, I hope I had given you some in-site to your problem. If it is not the solution, you can reach me through the FIXYA channels and I'll walk you through Diagnosing the other aspect of the dash as well as give you blow by blow instructions on how to pull the digital instrument cluster.
Again, have been business for 29 years and when I first opened, I opened up as the "Datsun Specialist". My shop was always packed after the first we made it through the first three months.Nissan Forced us to change our name telling us that we were infringing on their registered trade name. Failure to comply will find us in court!
They suggested Grand Prairie Auto Repair" . I couldn't have thought of a more original name! So I named my dog Rover and the other one Spot! I wrote back to them: What about the fact what I am one of the earliest Nissan Master tech's in the Nation? What about the fact that I use Only Genuine Nissan products on the cars that come through my shop? Your dealers don't even do that!
I promote the product and act as a liaison between disgruntled customers who felt they got screwed by Nissan dealers..
Their reply: It was a nice way of saying "we could give a damn, why don't you stick it where the sun don't shine?!"
So, My wife of 37 years and I decided to bring Mercedes, Toyota Mazda and Honda into our lineup. I was the only Nissan master tech back then, I had stolen one of the tech from the dealership I had worked at. I hired a Mazda Master tech, a woman technician who had all her ASE certifications and had worked ina general repair shop as well as a transmission shop for two years.
I hired one other man. A Vietnamese who hardly spoke English but I just had this feeling about him. The woman tech turned out to be my best tech, she's in her 40's and she flat kicks ***! I would pit her against techs with 10-15 years more experience over her.
I am one of the few exceptions to the rule, but she gives me a run for my money and I'm in I'm 60's! The Vietnamese: has a mind like a steel trap! You only have to show him once and his learning curve which is exponential. He ended up stiffing me though. I had given him a crash course in auto repair. ( love teaching and would be called in to sub for companies that train in collision repair and other ones that has classes in EFI and other subjects.) My first few years, I was working 7 days a week and 12-18 hour days. The Vietnamese tech would hang around even after he was off the clock to watch me work and just pump me with questions. He also picked up English within 3 months to where he could understand me and I him! He went from earning$11,500 the first year on the clock to putting him on flat rate like all my other techs. He made $26,500 the second year and $31,254 before he felt he was educated enough to open his own business in "Little Vietnam".
As for your options on sources? Used is the cheapest way out.
I found one on EBAY for $80.00
All Z's in Ft. Worth Tx 817-438-4300 call and see if he has any.
Let me know what area you are in in the country and I might be able to round you up a good one. Other than that, a new one is your last resort. There are some salvage yards that sell extended and lifetme warranties
Good luck.

Posted on May 24, 2009

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my guess is that since you hit a bump in the road that its possible that a plug has come loose from the back of the dash.. remove instrument cluster and inspect for loose or broken wiring and connectors..

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First check all fuses. If fuses good check connection at the back of the dash cluster.

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Check brake fluid level , if low will turn on light when brakes pushed.Dash lites is possibly a fuse or turned off on the dash.

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I need a speed sensor for a 1987 300zx, my digital dash speedometer stays at zero?

Order one from (Courtesy Nissan in TX) - they were great for all the years I had my 90 300ZX.

Dec 16, 2009 | 1987 Nissan 300ZX

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Digital speedometer in my 1988 300ZX works one time I drive and not the next. Anyone have an answer why this happens?

Ther is a control unit in the dash that fails intrmittantly, replacing this control unit will most likely fix it.

Jul 28, 2009 | 1988 Nissan 300ZX

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My 1987 nissan 300zx's digital instrument cluster wnt light up. why?

nissan's have lighting problems on clusters and ac controllers. remove cluster and take it apart, replace bulbs, you can get them from radio shack. its an diy fix, will take about 1 and a half hours and will cost about 10 bucks at most!

Jul 18, 2009 | 1987 Nissan 300ZX

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I have the same problem with my 300zx currently. You need to replace the gauge cluster. The speedo itself in the cluster is really expensive and hard to replace. Look for one on eBay. Make sure to get the correct year though!

Apr 21, 2009 | 1993 Nissan 300ZX

1 Answer

I have a 1985 300zx with a digital dash & analog miles counter---the speedometer & all digital systems work fine,except now the miles aren`t calculating,nor does the digital gas counter work which...

I believe there is an "amplifier" box, as you described, for the digital dash, I think under the dash towards the center console. Check out or call your local Nissan parts counter for exact location.. They should be able to tell you.
I don't know about the miles counter. If your speedometer works, it shouldn't be the speedometer cable. Sorry I can't help you on that.
My parts counter guy has always been helpful in trying to troubleshoot many issues. At least you should know his name.
Also, check out your local Z club. and maybe
Good luck and happy motoring,

Jul 27, 2008 | 1988 Nissan 300ZX

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