Help needed with 2001 Def 130 td5 non start

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Originally Posted by Psimpson7

Not quite, the Disco2 td5 has an LT230Q as opposed to the Defender which has the LT230T but there are a lot more possible differences between them.

R380 -

• Different lever position between the Disco and Defender boxes, so even a D2 TD5 box is not a straight swap into a TD5 Defender. Its not a 5 minute job to swap the bits either
  
  As has already been said there are more differences with the v8 box, having a different input shaft and bell housing (gearbox has to be stripped totally to change the input shaft) but it also has different ratios.

LT230

• Possibly no centre diff,
• different ratio and gear sets,
• possibly different front output hosuing (if it has no centre diff)
• different speedo pickup so no drilling in the rear output housing on the D2 version.

There are probably other things as well.

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Thanks - but...
"no centre diff" - no such thing - every LandRover since the S3 stage 1 has had a centre diff.
both D2 and Def td5 run the same electronic speedo setups so why would they have different housings?

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Originally Posted by Daniel

Thanks - but...
"no centre diff" - no such thing - every LandRover since the S3 stage 1 has had a centre diff.
both D2 and Def td5 run the same electronic speedo setups so why would they have different housings?

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"No centre diff" is most likely hinting that some of the D2's centre diffs couldn't be locked.

The D2's get their speedo reading from the wheel censors.
There is no speedo gear set up in the t'box.

Quote:

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Originally Posted by Daniel

Thanks - but...
"no centre diff" - no such thing - every LandRover since the S3 stage 1 has had a centre diff.
both D2 and Def td5 run the same electronic speedo setups so why would they have different housings?

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I omitted the work lock by mistake, I have amended my post. The speedo pickup issue has been clarified above for you as well in more detail.....

My TD5 disco 2 had no linkage ,to lock centre diff in side ! I used to lay under it and turn the diff shaft that stuck out of the top of the t/box with a 10mm open ended spaner , it was easy onlt 1/4 turn job done,same to reverse . The later discos had the linkage put on the lever on in the inside .

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Originally Posted by jimr1

My TD5 disco 2 had no linkage ,to lock centre diff in side ! I used to lay under it and turn the diff shaft that stuck out of the top of the t/box with a 10mm open ended spaner , it was easy onlt 1/4 turn job done,same to reverse . The later discos had the linkage put on the lever on in the inside .

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yep, I used to do that on my D2 as well until I got sick of the mud.
Made up a simple pin linkage through a small hole in the transmission tunnel straight down onto the diff lock selector.
A quick flick of the finger and it was locked.

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Originally Posted by Daniel

Thanks for your help.

The light relay is cut into the wiring loom on the bulkhead engine side. Did you simply recut all the original wires and solder them up again?

Looks like I need to get hold of a wiring diagram and trace all the wires through properly as the headlamp relay is obviously connected to the start and ignition wiring loom.!

Surprisingly all of the wiring loom is otherwise in excellent condition and there is no sign of red bulldust anywhere on the vehicle.

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Ok an update - still no luck with cranking the td5.

We have traced the problem to a lack of -ve 12v being supplied to the crank relay - this -ve feed is meant to be delivered by the EMS based on advice from the 10AS. My HawkEye tells me that the td5 immobiliser is set as secure and that the circuit is open. Not sure what this means??

I finally got to the bottom of this issue!

A previous owner/electrician had fitted an after market immobiliser in behind the instrument panel. I removed it and joined all of the wires back together again and hey presto it now cranks over and starts.

Now just need to remove the CoLo (car on lights on) relay and all will be back to LR std wiring.