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Speedo not working; TDaily 2.8 W2000 plate 1998 body speedo fault
Topic Started: Mar 26 2012, 12:21 PM (51,747 Views)
Bazil-S
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Hi,

3336 yellow wire is connected directly to the negative battery terminal. On the newer versions of Turbo Daily this wire is brown and has code 0006. It is an isolated earth from the rest of the electrical system. If the body is connected to the earth and various devices are powered from the ground point of the body, the speedometer or tachograph must be powered directly from the battery.
3336 wire pass through the junction connector No. IX, where it connects with the brown wire 5558, which is negative terminal for the speed adapter.
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tiktok
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Bazil-S
May 29 2013, 04:37 PM
Hi,

3336 yellow wire is connected directly to the negative battery terminal. On the newer versions of Turbo Daily this wire is brown and has code 0006. It is an isolated earth from the rest of the electrical system. If the body is connected to the earth and various devices are powered from the ground point of the body, the speedometer or tachograph must be powered directly from the battery.
3336 wire pass through the junction connector No. IX, where it connects with the brown wire 5558, which is negative terminal for the speed adapter.
Thank you for the useful information.

I can confirm after a test drive today that by earthing the 3336 to the brown wire the speedo comes to life. So now I need to trace the 3336 back to the battery. Can you advise where to look for junction connector IX please ?
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Bazil-S
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Hi,

The connector should be on the left side, inside the cabin, near where the wires go toward the engine compartment. Unfortunately the picture is for LHD vehicles.
https://dl.dropboxusercontent.com/u/14168135/15.jpg

The wire may hang somewhere between engine and battery.
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tiktok
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Bazil-S
May 30 2013, 06:33 PM
Hi,

The connector should be on the left side, inside the cabin, near where the wires go toward the engine compartment. Unfortunately the picture is for LHD vehicles.
https://dl.dropboxusercontent.com/u/14168135/15.jpg

The wire may hang somewhere between engine and battery.
Thank you for the diagram and explanation.

I couldn't locate the connector IX, not sure if they are marked somewhere but coudn't find markings. In the end the problem was simply solved. The yellow wire 3336 actually terminated on the battery itself, and had come loose. Reconecting 3336 to the negative terminal on the battery has now fixed the issue.

Once again thank you for your help in this matter, it has been much appreciated.
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alexplus
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Hi,

I see that the problem with the speedometer is a "view" topic.

The same like the others I have a problem with the speedometer. It stop to work.

I read the posts and I start to trie to fiind where is the problem.

I start from the senzor to the top. The XX connector has continuity for all of it's connections to the sensor socket, but some "position" of the pins was diferent beside the diagram (see attach.; i have 2C corespond in XX conector with 5516 and the diagram tell me that is need to be 5517....). It's ok?

From the connector XX the cables 5517, 5558 and 5514 where it goo? to the connector XIX directly.

Thank you in advance for any help.
Attached to this post:
Attachments: senzor_diagram.pdf (104.82 KB)
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Bazil-S
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Hi,

Daily second generation are two models: TurboDaily until 1996 and the New Daily from 1996. The wirings are different, mostly.

TurboDaily: https://dl.dropboxusercontent.com/u/14168135/Insruments.pdf
NewDaily: https://dl.dropboxusercontent.com/u/14168135/Instrumentos.pdf
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alexplus
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Hi Bazil-S,

Thank's for the sheets.

I see that in one it's is with adaptor in one not. My Iveco Daily have the adaptor.

From the senzor leave 4 wires: 5558, 5517, 5516, 5514. All are continuity to conection XX. From the connection XX go 0058, 5517, 5514 to the adaptor. All continuity ok. I have 12V present on the 5514 and earth from adaptor till senzor. From the adaptor leave the 5513 what go in the connection B. Continuity ok. In this connection I have only one cable (5513).

I measure the internal resistance of the senzor between pins 2B and 2A = 67k ohms. And to 2A and 2D = 120k ohms. I remember that: "the internal resistance of the sensor between the supply pins must be 1.5K ohms". It's is o problem with my readings/senzor ?

I connect the 5517 to 5513 directly. Speedo don't work.

Is a posibility to have a problem with the tachometer. I have a posibility to check it?

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Bazil-S
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Hi,

Check the voltage to the speedometer connector A: 7772 + battery, 8879 + ignition:, 0066 or (3336) insulated earth and 0000 earth.
Check if the wire 0058 or 5558 has continued to the negative terminal of the battery, I mean that this wire is changing in 0066 or 3336 in the connector: IX, and leads directly to the battery negative terminal, it is insulated earth .
Speedometer has two fuses # 7 and # 8.
If the power is correct to all the circuit elements, then you you can think to a defective part. Most likely is the sensor, since it has an internal resistance too high.
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alexplus
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Hi,

I will doo this check's you tell me, but after some days. The van goo for some work to doo.

In the meantime I bought a use (second hand) senzor. On the sensor is write this: Mannesmann VDO AG Type 2159-50 and 2159.50 00 3 01 44E.

I put the multimeter on the part and this what I see: 66k ohms.

Concluzion: or the 2 sensors are bad or I don't take corectly the measure.


Attached to this post:
Attachments: IMG_5095_resize.jpg (104.58 KB)
Attachments: IMG_5097_resize.jpg (92.79 KB)
Edited by alexplus, Aug 13 2013, 10:59 AM.
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alexplus
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Hi,

About the measurements:

- 7772 + batery = 0V (without ignition)
- 7772 + batery = 12V (with ignition)
- 8879 + batery = 12V (with ignition)
- 7772 + 0000 = 12V (without ignition)
- 7772 + 0000 = 12V (with ignition)
- 8879 + 0000 = 0V (without ignition)
- 8879 + 0000 = 12V (with ignition)
- 7772 + 0066 = 4V (without ignition)
- 7772 + 0066 = 0V (with ignition)
- 8879 + 0066 = 0V (without ignition)
- 8879 + 0066 = 0V (with ignition)

The wires 5558 have continuity to the negative terminal of the batery.

I check all the fuses. All ok.


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Bazil-S
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Hi,

It looks like 0066 wire is interrupted, it must be connected directly to the negative battery terminal.
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alexplus
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Hy,

She is alive....the speedo is working.... B) Thank you Bazil-S for all the help.

Yes the wire 0066 is interupted. Now i need to fiind where. Pls tell me where is located the connector IX.

From there where is conected with the - of the batery?

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Bazil-S
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Hi,

Yeah directly to the battery.

Connector
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Bazil-S
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It's easier to look firstly in the battery area, the wire 0066 should hang somewhere near the engine.
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Hillyards
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I also have speedo & rev counter not working and I'm trying to work through the above advice ; however my set up appears to be different.
i have yellow 3336 connected at battery teminal and i have the adaptor above the fuse box.

At Sensor : 2A - continuity
2B - 8v
2C - nothing
2D - 6,6v

connector A
pin 1: 7772
pin 2 : 4444
pin 3 : 8879 + 5511

pin 5 : 3336
pin 6 : 0000 + 0000

connector B pin 3 : 5513

Also at connector xx i have this :
5558 - continuity
5517 - 6,6v
5517 - 8v
connecting to 5558, 5517,5516;5514

Racking my brains on this; if anyone can shed any light on this be much appreciated
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