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Unread 06-09-2013, 07:56 PM   #601
mtnmarc
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Connected the white/orange wire to the green/blue wire, still no speedo.

I'm lost now. What else to do.

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Unread 06-09-2013, 08:13 PM   #602
W2001J
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Don't need a speedo!
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Unread 06-09-2013, 08:54 PM   #603
mtnmarc
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Quote:
Originally Posted by W2001J View Post
Don't need a speedo!
Yes I do.
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Unread 06-09-2013, 09:16 PM   #604
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Are you sure your using the correct wss wires. Before you said your wires were black and brown (brown being the signal from the sensor. In that case you should be connecting a brown wire to the Orange/white (pin 3 @ abs connector) wire.

What color wire is white/Orange wire (at the sensor) connected to?

Just for ****s and giggles take a jumper wire and connect it from the sensor signal output wire to pin 3 at the abs. So you will be using the jeep to give the sensor 12v and ground, but you will be using your own wire to transfer the signal to the instrument panel.

Edit: this is a known good sensor right? No chance that it's bad?
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Unread 06-09-2013, 09:48 PM   #605
mtnmarc
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Quote:
Originally Posted by TJSWJ View Post
Are you sure your using the correct wss wires. Before you said your wires were black and brown (brown being the signal from the sensor. In that case you should be connecting a brown wire to the Orange/white (pin 3 @ abs connector) wire.

What color wire is white/Orange wire (at the sensor) connected to?

Just for ****s and giggles take a jumper wire and connect it from the sensor signal output wire to pin 3 at the abs. So you will be using the jeep to give the sensor 12v and ground, but you will be using your own wire to transfer the signal to the instrument panel.

Edit: this is a known good sensor right? No chance that it's bad?
Its a weird situation. At the sensor, the white/orange connects to the brown wire. The orange goes to black. I measured 12v with the key on to the black wire. So that's obviously power. And brown is signal, that's why its connected to the white/orange at the sensor. And black is ground. The ground is good. I tested voltage after connecting the power and ground through the 3 wire connector.

This is where the abs 2 wire connector is under the rear seat drivers side



Brown goes to green/blue.
Black goes to green.

So at the abs module harness I connected the green/blue to the white/orange wire. That is what I'm told is the vehicle speed wire that goes to the pcm. I've been told by a few people that looked at the FSM, they said that's the wire.

Ground is good.
Power is good.

Sensor is brand new. It must not be getting signal. I can try clocking the sensor a different way.
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Unread 06-09-2013, 09:51 PM   #606
dillonjm
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Instead of driving it each time, try turning the sensor with a drill with the key on to test. This should help rule out installation into the case errors.

If that all checks out, it appears you at least have the wires up to the ABS module correct.

If you cant get a signal the way i mentioned, you can also back track with a multimeter to test the sender itself. Spinning the sensor with the meter checking voltage on the sender wire should indicate if your sensor is actually outputting a signal.

If I get time, I'll run my wiring tomorrow and see what I get.
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Unread 06-09-2013, 10:13 PM   #607
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Have you looked at wagoners.com/WJ/tech/WIRING/wj-wiring.pdf ? That's how I figured out how to wire my speed sensor to my dd box. Was your jeep originally picking up a signal from the tone rings on your axles? If so, are they sending the same type signal?
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Unread 06-09-2013, 10:22 PM   #608
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Quote:
Originally Posted by wjCREEPjeep View Post
Have you looked at wagoners.com/WJ/tech/WIRING/wj-wiring.pdf ? That's how I figured out how to wire my speed sensor to my dd box. Was your jeep originally picking up a signal from the tone rings on your axles? If so, are they sending the same type signal?
I pulled the relevant diagrams from that PDF:





Crappy uploads, sorry.

It looks like pin3-pin6 on the abs control. Colors are irrelevant, but I'd cut pin 3 and 6's wires from the controller and tie them together. But I think you said you were already tying 3-6 together.

Pin 5 should be the 12v supply to the sensor, 6 should be the return. Pin 3 is the wire to the PCM, at least according to these diagrams.
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Unread 06-09-2013, 10:26 PM   #609
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Ah, forgot about the color change under the seat. I agree with dillonjm, hook up a meter and see if your getting an output. Wouldn't be the first time I've seen a brand new sensor be bad. I also agree with using a drill, that way you can verify the sensor is in deed turning and you don't have some weird mechanical issue with the sensor.
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Unread 06-09-2013, 10:28 PM   #610
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I could be wrong but i think i would look for the right rear wheel speed sensor wire where it ties into the c.a.b. and eliminate it and replace with the new signal. If the signal is a different type then you may need a signal converter of some sort.
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Unread 06-10-2013, 09:37 AM   #611
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What vehicle is the case and speed sensor out of? That way I can look up the wirring diagrams for that vehicle and make sure you are using the right pins at the sensor.

Looking at a 97 TJ

Pin# 1 would be the signal output (connects to brown wss wire)
Pin# 2 sensor ground (Chassis ground)
Pin# 3 5V supply (in your case 12v)

If your looking at the sensor, pin# 1 is on the left.
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Unread 06-10-2013, 09:55 AM   #612
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I think the sensor was for an 01 tj, which should be the same as a 97.

I remember pin 2 was ground (black). I don't have any pictures, but I know solid orange went to power and white/orange was signal.

Following that diagram, its the same as all the others I've seen, the left rear wire colors are different, but they are wired in the right way.

I'll just have to drive it to work tomorrow and try the drill method. And I'll tale tons of pictures to show my exact set up.
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Unread 06-10-2013, 11:45 AM   #613
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On a 01 Tj:

Pin# 1 5v supply (or 12v in your case) should be violet/orange
Pin# 2- Sensor Ground, Black/Light Blue
Pin# 3- signal output (connects to brown wss wire) white/orange
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Unread 06-10-2013, 03:27 PM   #614
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here is that post for a 99 wj that swapped TC like you only used a ZJ 242

http://www.jeepforum.com/forum/f197/...99/index9.html

================================================== ====
I got the new 242 swapped in and got it wired up. It is reeding about 10% fast right now but it sould be right on with 36s and 5.13s.

For anyone that is curious, the wiring is quite simple. The speed sensor on the 242 is 3 wires:
1) Orange- 5v (I used a 5v source from the power seats)
2) White\Orange- speed signal to PCM
3) Dark blue- signal ground (I just grounded to the e-brake bracket under the rear seat)

I reused the wiring from the rear driverside wheel sensor to get the speed signal to the CAB. Then I spliced it to the white/orange wire coming out of the CAB. The ABS light is on but the brakes dont feel any different so I think it will be okay. PM me if you need any more info on that.

..........
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Unread 06-10-2013, 04:15 PM   #615
TJSWJ
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Quote:
Originally Posted by TJSWJ View Post
What vehicle is the case and speed sensor out of? That way I can look up the wirring diagrams for that vehicle and make sure you are using the right pins at the sensor.

Looking at a 97 TJ

Pin# 1 would be the signal output (connects to brown wss wire)
Pin# 2 sensor ground (Chassis ground)
Pin# 3 5V supply (in your case 12v)

If your looking at the sensor, pin# 1 is on the left.
Quote:
Originally Posted by TJSWJ View Post
On a 01 Tj:

Pin# 1 5v supply (or 12v in your case) should be violet/orange
Pin# 2- Sensor Ground, Black/Light Blue
Pin# 3- signal output (connects to brown wss wire) white/orange

Looks like its different than the 97 TJ. That could be your problem right there, you need to know for sure what year sensor your using. 97 TJ uses pin#1 for signal output, 01 TJ uses pin#3
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