Asking all RB guys to help a fellow RBer out!

Discuss the RB20, RB25 and RB26 series engines.
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nizmo zilvia
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Car: 95 240sx w/ S14 SR20 Blacktop

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Hey guys. Got a rb20 here and had my wiring done by Jon Powell. Anyways my problem seems to be that I am getting NO power from the battery. I checked all the fuses and they all seem good. Basically no lighting comes on inside the car when the door is open or if i turn on the light manually and dash gauges don't work (obviously) or if I turn the key I hear nothing. Everything is plugged in that fits in each other at least. I have a couple loose plugs but thats because it was auto before I converted it to manual so I assume its normal. So why am I not getting any power to my car?? All grounds are perfect cause I checked them maybe like 10 times in the last 3 days along with my friend that did the same. I just hope its something that I might of mis looked and forgot about. Thanks in advance.

I'm asking a favor to anyone who can provide me some pics of their s13 with all fuse box plugs plugged in and grounds just to like triple triple check.

(PS: I didn't relocate my battery. Its still in front)


Joe
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this is gonna sound REAL stupid, but whats your battery voltage?

check it at the battery AND at the ignition switch.

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nizmo zilvia
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Car: 95 240sx w/ S14 SR20 Blacktop

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Battery reading at 12v and just to double check I "jumped start" the car and same crap. Battery alone is not an issue. I checked ignition and its fine also.

Wtf can be the problem??? I thought in the 3 days I would of figured this crap out but it looks like I have to bug you guys to give me a hand.

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URAS
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have you checked the fusible links coming out of the battery terminal connector? and the 80A (from memory) in the fuse box? check both wires with a test light at either end of the fuses.

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Eikon
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If Jon Powell did the wiring for you.. why don't you call Jon Powell and ask him for help.


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nizmo zilvia
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Eikon wrote:If Jon Powell did the wiring for you.. why don't you call Jon Powell and ask him for help.
http://www.motorsportstudios.com/

Thats why.

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Eikon
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That's garbage.. you paid him to wire your car.. you are now having a problem with the service that he performed for you. I'd ask him for his help.

He closed out... and that means he won't do the work in the future.. But that shouldn't mean he won't stand by his previous work..

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nizmo zilvia
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I dont think he'll want to help anyone anymore. Ill try but I wont get my hopes up.

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AZhitman
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Car: 58 L210, 63 Bluebird RHD, 64 NL320, 65 SPL310, 66 411 RHD, 67 WRL411, 68 510 SR20, 75 280Z RB25, 77 620 SR20, 79 B310, 90 Z32, 91 GTi-R, 92 Silvia Qs, 98 S14, 23 Z.
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Wow - That's just pure FAIL.

John, I liked you a LOT better before you got all big-headed and decided NICO was too small a pond for you.

NZ, we'll get you through this... Sorry you had to get jammed up.

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nizmo zilvia
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Car: 95 240sx w/ S14 SR20 Blacktop

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Thanks guys. What I'll do one more time before I decide to give it quits for a while is hook it up to battery and test the readings on the positive with a volt meter to see if there are any cuts on the positive side. Negative I know is fine.

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USMCgetsome
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OK FELLAS HOLD ON A MINUTE! Now to begin with we all know the engine harness steals power from the main upper electrical harness. So, the engine harness should have nothing to do with this. If you want this resolved. All i can tell you is simply look at each fuse in the engine bay then go to the fuses inside the car drivers side. The 80amp fuse is the the main fuse for power. So i say it's not the engine harness. If you want send it to one of us here and we'll take a look at it for ya for verification. I just got the wiring harness dvd and it's a good guide.

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nizmo zilvia
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I really appreciate this, but I'm done for the count to afford another harness getting rewired if that. $325 is what I paid to get mine done.

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Carl H
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the problem is not in the efi wiring, if the car isnt getting power then the efi harness isnt either, like i tried to tell you before the problem lies pre efi...i still think the main fuseable link is dead.

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Eikon
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Is the main fuse box connected to the battery?

Have you checked all the fuses in that box to be sure they are not blown?

There are three plugs under the fuse box (the ones that you and I talked about over the weekend.) Do you have all three of those connected?

Take a good picture of your batter and fuse box area... let's start with that and we'll see if we can walk through it.


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USMCgetsome
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ha ha it just hit me. Your lower harness is it connected to the battery as well as the power for the upper electrical harness! There it is boys!

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nizmo zilvia
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The lower is connected to my battery. The lower is connected to the starter or altanator (forget which one).

Pics will be up shortly.

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nizmo zilvia
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Alright here are some pics:

Heres the setup now. I am going to get the slim battery soon but for now I need to make it work with what I got. I got 2 grounds going on just to make sure.

Heres the fuse box with the ground hooked up. Need I say more?

Eikon, thats the plug I was talking about. It just sticks OUT of the fuse box and I dont seem to have a plug that will fit that. Maybe it was used for some auto bullsh!t.

As you can see the only one that can be plugged in is that middle plug.

On the left thats another plug plugged in.

One of the grounds from the upper harness into the firewall.

And thats where everything is coming from, positive, plugs, transmission sensors, etc. From starter and altanator.

Hope this helps alot.

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nizmo zilvia
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No i do not have my ground to my positive terminal. Looks that way.

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AZhitman
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nizmo Z ilvia wrote:I really appreciate this, but I'm done for the count to afford another harness getting rewired if that. $325 is what I paid to get mine done.


Wonder what Wiring Specialties would have charged?

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USMCgetsome
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WTF MATE! why is the fuse box wiring hooked up to the negative terminal. The positive 12vdc is on the other side! try that out man!

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nizmo zilvia
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Yea I switched it over to positive before I left to work. I didn't get a chance to see if it worked or not. I'll find out tonight after I get out of work in a few hours.

digzsublime
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KUILLIN_DRIFTER wrote:WTF MATE! why is the fuse box wiring hooked up to the negative terminal. The positive 12vdc is on the other side! try that out man!
Was wondering the same. Good call. Fuses ain't gettin any power that way.

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nizmo zilvia
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Also before I left to work I checked the fuses and they seem fined so I guess by doing that it didn't hurt anything? Still good. I just can't wait to go home now!!

JPsNissans
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No, it wouldn't have hurt anything. Hope that solved your problem!

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Carl H
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all else fails, try giving it a right nasty scolding...works half of the time.

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nizmo zilvia
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Hahaha. I try first thing in the morning. Got out of work a couple of hours later then expected. To tired to steal my sisters battery from her car.

Since I'll be wanting a good slim battery whats everyone running that has a battery up front with piping still going through the battery tray?

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mestizo
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Like they said above about the fuse box power supply wires going to the ground side of the battery, that is why your car has no power. Put them back on the positive side and everything should be fine.

Yellow4g63
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nizmo Z ilvia wrote:Hahaha. I try first thing in the morning. Got out of work a couple of hours later then expected. To tired to steal my sisters battery from her car.

Since I'll be wanting a good slim battery whats everyone running that has a battery up front with piping still going through the battery tray?

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AZhitman
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Just get an Optima and put it in the trunk...

SIL-LINE
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he is right you are better off with the battery in the trunk..

oh and wiring specialties charged me the same for an rb20-s13 ......



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