Another 2002 v8 swap - 8 Cylinder Gasoline - Ranger Engine Tech

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Idahome

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My info says that
PIN 17 should be same on explorer and ranger side (even if they change colors from 96-2002)
PIN 18 (circuit 359 SSR (sensor signal return)) should be same on explorer and ranger side
Pin 24 (circuit 329 NSS (neutral safety sensor) Should be the same
Pin 28 Air suspension signal in to pcm Should be missing on the ranger side and stays that way (No air susp on ranger)

Pin 33 NSS circuit from PCM to GEM Should be missing on the explorer side of things? A 96 might have this wire. This wire is the NSS sensor feed to the Gem module from the DTRS on the trasmission for the trucks 4x4 shift circuit. Most 5.0 trucks do not have this wire and I usually have to add it if you are doing a electronic shift 4x4 t case

Pin 36 Should be the same on the explorer side and the ranger side

Pin 37 - AC high pressure switch wire You will have to wire this one up if you plan to use AC with your new 5.0. In the 5.0 trucks the AC high pressure switch is wired through the alternator/starter wiring because the AC high pressure switch is right behind the drivers headlight. On the V6 trucks the ac high switch is mounted right on the AC lines at the compressor. So you need to re locate it on your truck
The way the AC system works is a little funky Ranger to Explorer....but we can get into that later. The AC low and HIGH pressure switches are really simple to wire up however you decide to do it. Basically it goes like this ground (BK/YE)----------------low pressure switch (reD/YE)---------------------------high pressure switch-----------------------to ground side of compressor clutch
The positive feed to the compressor clutch comes directly from the AC relay in the power dist box.. The dash should control the AC relay, some rangers the PCM does. So we may have to move one wire.....but we can do this AFTER its running.

Pin 39 PCM output to Canister purge valve Should be same on explorer and ranger side

Now you need to verify this in your book!
I need to get some more books, I need 2000 Ranger, 2002 Ranger and 2005 Ranger.....until I get these you will have to sort a bunch of these out! Just go one at a time and know I can usually help best I can......

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Posted: Mon Mar 30th, 2020 11:13 am

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4.0power
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In my EVTM 329 is labeled as a start circuit.

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2003 2.3 2wd 5 speed single cab dropped 9 inches looks like crap rides like crap but for some reason itâ€™s cool to me
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Posted: Mon Mar 30th, 2020 11:37 am

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Idahome

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it is, one in the same
the NSS (neutral safety circuit) has a few purposes (always circuit 329)

It allows the starter to run only in P or N (signal from the DTRS)
It allows the starter to run only when clutch depressed (on a 5 speed truck)
It allows the transfer case to shift into Low Range (only in Neutral or with clutch pressed in)

So they are two ways of saying the same thing.
Neutral safety sensor circuit. One wire form the ignition goes down to the auto trans and then comes back..... usually red/w and pink

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Posted: Mon Mar 30th, 2020 12:00 pm

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4.0power
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410customs wrote:
it is, one in the same
the NSS (neutral safety circuit) has a few purposes (always circuit 329)

It allows the starter to run only in P or N (signal from the DTRS)
It allows the starter to run only when clutch depressed (on a 5 speed truck)
It allows the transfer case to shift into Low Range (only in Neutral or with clutch pressed in)

So they are two ways of saying the same thing.
Neutral safety sensor circuit. One wire form the ignition goes down to the auto trans and then comes back..... usually red/w and pink
Ahhhh gota. Well I'll map it out to the ranger connector and get it done up. I'm curious what wires I'll have left on the ranger plug when I'm done lol

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Posted: Mon Mar 30th, 2020 12:21 pm

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Tsquare
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4.0power wrote:
Eddie Money wrote:

Keep at it!! You're almost there...

I will never wire anything like that lol! I've seen it tho
Back just before the beginning of Iraqi Freedom I was the NCO in charge of the telephone/data center in Kuwait. Wire nests like that were common. For two months we replaced and straitened out the wire runs trashing a truckload of crap CAT-V/VI and fiber daily for over two months. It cleared up a lot of network problems and provided intensive hands on wiring training for the 6 guys I had that were just out of their tech schools.

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Posted: Mon Mar 30th, 2020 12:38 pm

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mhoward
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I'll bet those tech trainees are some of the neatest wiring guys out there now! LOL

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Posted: Mon Mar 30th, 2020 12:41 pm

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4.0power
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Tsquare wrote:
4.0power wrote:

Eddie Money wrote:

Keep at it!! You're almost there...

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Posted: Mon Mar 30th, 2020 02:10 pm

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Tsquare
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4.0power wrote:
I'm gone guess you pretty much just cut everything out and started fresh?

Not quite. Circuits had to stay active. We had a couple of empty racks with servers and switches for various upgrades. We robbed Peter to pay Paul for the cleanup and paid Paul back with the "borrowed" servers and switches after the bulk of the cleanup. I had pictures at one time but no longer. All wiring was in octets and individually labeled at every bend. We used 18k zip ties and 11000 foot of velcro in the cleanup. This occurred during build up. When we started the base had 900 AF, less than 100 Army, and about 100 Navy/Marines. By the time we finished it was still 900 AF, but there were 5 Army Companies, and 8000 Marines who all had an email address on our network.

I was assigned to the Kuwaiti AF Base. When OIF began within 6 hours there were about a dozen Army, no Navy/Marine, and 900 USAF as everybody had gone north to Iraq. Our base had the A-10's running missions out of there for about a week then we started trucking supplies to Ali Air Base in Iraq.

Last edited on Mon Mar 30th, 2020 02:11 pm by Tsquare

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Posted: Mon Mar 30th, 2020 02:53 pm

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4.0power
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Ok final update on what wires are left over

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Posted: Mon Mar 30th, 2020 05:37 pm

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Idahome

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all right, leftover = you need to sort them out right?
(where they will go now because they do not match up to the explorer)

Pin 13, C1215 - TX signal (TX signal is the OBD2 communication network)..... it still needs to go to the 5.0 PCM,(so you can talk to PCM with scanner)
Pin 32, C1216 - RX signal SAME SAME (pins 3 & 11 on the explorer are SCP bus + and - ,which is where these wires need to go)
Pin 15, C926 - fuel pump relay control (this is the PCM turning on the fuel pump) - pin 15 on the explorer is the same thing C926
Pin 23 - Theft light used to be controlled by the 2002 PCM. Now it goes nowhere since 96 Explorer does not have pats
Pin 24 - What color is this wire? We need to see if it is power going to PCM or from, then I can tell you where it goes.
Pin 29 - 4x4 low light input to pcm, goes nowhere now 5.0 pcm has no 4x4 systems of any kind
Pin 30 - AC clutch relay control. In a Ranger the pcm turns on the compressor clutch. In explorer the dash does. You are going to need to move this wire to the power distribution box on the truck side of things
Pin 31 - same as 24
Pin 35 - AC clutch switch out from pcm to ac relay.... NOT anymore, your AC relay will be controlled by the dash. This wire will get wired directly to pin 30, so now the PCM is taken out of the circuit

Pin 14?, C91 - Canister vent - Pin 14 on Explorer, same same
Pin 41, Fuel cap light indicator, PCM to instrument cluster check cap light. Explorer PCM does not have, this wire goes nowhere
Pin 18? SSR sensor signal return, light grey with red on all years and models as far as I know) Also pin 18 on Explorer, same same

Explorer side:
Pin 37 - C198, AC high pressure switch VT - this COULD BE the ground wire headed from the low pressure switch on the pass side to the high press switch as we discussed earlier, I said it was red/yellow, changes colors some years)
Pin 5 - Fuel pump monitor input - I will have to look up where this one goes do not know off the top of my head. I know the 5.0 PCM is aware when the fuel pump is running, this is verification of the relay turned on? I will look it up
Pin 20 - C199 this wire is coming from the DTRS transmission range sensor to ........... I will find out
Pin 17 - C791 fuel tank pressure sensor signal to pcm, your 02 has a fuel tank pressure switch we need to sort this wire out on the ranger side

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Posted: Tue Mar 31st, 2020 01:18 pm

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4.0power
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Pin 24 is pink
Pin 31 is tan with red

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Posted: Tue Mar 31st, 2020 01:27 pm

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Idahome

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pin 24 pink should be circuit 329 NSS

Pin 31 tan/r is DTRS nss signal

I will map these out in the explorer book, but it looks like they match up to the harness on both sides? .......These are the wires going to and from the trans dtrs for the starter circuit.....

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Posted: Tue Mar 31st, 2020 01:31 pm

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410customs wrote:
pin 24 pink should be circuit 329 NSS

Pin 31 tan/r is DTRS nss signal

I will map these out in the explorer book, but it looks like they match up to the harness on both sides? .......These are the wires going to and from the trans dtrs for the starter circuit.....
I got pin 24 circuit 1093-power in start/neutral

Just to put it out there, those colors are on the ranger side of things

Edit: would I be wiring those two into other wires?

I currently have ranger pin 5 238-fuel pump relay output wired to explorer pin 15 926 fuel pump relay control is this wrong?

Would R pin 24 go to E pin 24? On the ranger it's voltage supplied in start and explorer is start signal feed.

Last edited on Tue Mar 31st, 2020 01:50 pm by 4.0power

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Posted: Tue Mar 31st, 2020 06:42 pm

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Idahome

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Pin 24 IS power in start or N......Then it travels down to the DTRS in the transmission
then back up and to the trucks starter relay as Pin 31
My info says you leave pins 24 and 31 where they are

(I bet you will find the same colors on the explorer side of the plug in 96 they might be different colors bot those pics are NSS all years of the 5.0)
I currently have ranger pin 5 238-fuel pump relay output wired to explorer pin 15 926 fuel pump relay control is this wrong?

I think pin 5 circuit 238 should stay at pin 5, circuit 238

My question to you is what is in pin 15 on the ranger side of things?

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Posted: Tue Mar 31st, 2020 07:10 pm

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know this:
Although the wire colors may change year to year, the names of the circuit and their destinations might use different verbiage, the one thing that never changes: The circuit number

So if they match up pin to pin I can guarantee you it stays put

I just ordered wiring books for 99, 2002 and 05 Rangers.... will be very helpful to have here

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Posted: Tue Mar 31st, 2020 08:44 pm

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4.0power
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410customs wrote:
Pin 24 IS power in start or N......Then it travels down to the DTRS in the transmission
then back up and to the trucks starter relay as Pin 31
My info says you leave pins 24 and 31 where they are

(I bet you will find the same colors on the explorer side of the plug in 96 they might be different colors bot those pics are NSS all years of the 5.0)

I currently have ranger pin 5 238-fuel pump relay output wired to explorer pin 15 926 fuel pump relay control is this wrong?

I think pin 5 circuit 238 should stay at pin 5, circuit 238

My question to you is what is in pin 15 on the ranger side of things?
Pin 15 is fuel pump relay control.... I don't know you put up with me lol, my bad. So since that is now correct pin 5 c238 fuel pump relay output is currently unused

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Posted: Tue Mar 31st, 2020 09:43 pm

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you're doing a great job keep it up!

okay so Pin 5 C238 fuel pump relay output is unused on which side? explorer side?
fuel pump monitor

I will look into it!

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Posted: Tue Mar 31st, 2020 10:27 pm

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410customs wrote:
you're doing a great job keep it up!

okay so Pin 5 C238 fuel pump relay output is unused on which side? explorer side?
fuel pump monitor

I will look into it!
It's on the ranger side. I'm so happy to see that harness almost complete since that means once the motor is in, I get to hear that ol E cam come to life

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Eddie Money ,mhoward

Posted: Wed Apr 1st, 2020 10:17 am

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oh man a cammed 302 is a wicked cool!! When I was a kid in high school it was still common for the kids to have the parents old muscle cars, plenty of cammed small block fords to get your blood moving.
Such a nice sound to hear in a Ranger.... it will make all of this worth it!

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Posted: Wed Apr 1st, 2020 05:00 pm

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410customs wrote:
oh man a cammed 302 is a wicked cool!! When I was a kid in high school it was still common for the kids to have the parents old muscle cars, plenty of cammed small block fords to get your blood moving.
Such a nice sound to hear in a Ranger.... it will make all of this worth it!
Once the motor is in and running I'll be putting a LSD in the back since one wheel peels aren't that cool

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Posted: Sat Apr 4th, 2020 10:03 pm

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4.0power
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Hopefully Monday starts the 5.0 swap! Just need to sell a walk behind mower or two to finish buying parts. Still gotta look into a rear drive shaft as well.

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Eddie Money ,410customs

Posted: Tue Apr 7th, 2020 01:34 pm

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4.0power
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Got the motor loaded up! Yes I got like 8 ratchet straps holding it in. I only have to go a mile. The trans is already there so hopefully tomorrow tear down begins.

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Eddie Money ,Kealel

Posted: Tue Apr 7th, 2020 02:55 pm

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Eddie Money
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Nice intake. Trick flow heads too?

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Posted: Tue Apr 7th, 2020 03:19 pm

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4.0power
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Eddie Money wrote:
Nice intake. Trick flow heads too?
Nope sadly, just gt40P

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Posted: Mon Apr 13th, 2020 01:03 pm

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It has begun! So far everything has come apart no problem. By the end of the day I'll be ready to lift the body off.

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