Re: Another Defender 90 on the road

puffernutter wrote:
> The reason that we had a lack of compression in the original car can be
> seen at:

... and there were no other symptoms ????!!

> One last question!  We now have the diff lock lever (and linkages)
moving 
> freely.   The dash light works (I've tried it), but we can't get it to 
> light when dif lock is engaged.  Now, I've seen this question before and

> the answer seems to be that it means that the transfer box doesn't have 
> it engaged, but could it be the switch?  Also how easy is it to get the 
> switch out (how reliable are they) and is it the same type as the 
> reversing switch?
> 
> Cheers
> 
> Peter (Dad)
> Robert (Son)

The position of the levers/linkages is not an indication that the lock 
is engaged - only that it can engage. The switch is operated by the diff 
lock selector fork which does not move unless the teeth have engaged. 
The rotational position of the shafts determines whether or not the 
teeth will engage. So, as you have said (I think) the levers etc. might 
indicate that the lock is engaged but it might not be so, hence no light.

First of all prove that the lock is actually engaged (ask later if you 
need help with that) and see what you've got.

If still no light it could be the wiring, the switch adjustment or the 
switch.