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donmacn

Member Since: 06 Nov 2017
Location: Nth Scotland
Posts: 1845

.... didn't want to say! I think Mr Grinder was deployed at some point..! Donald

1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong
(The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html )
2000 Range Rover P38 4.0L V8

in the past..
RR classic - fitted with 200Tdi
1984 RR classic - V8 with ZF auto box
1993 Discovery 300Tdi

not to mention the minis and the Type 2 VW camper...

26th Nov 2022 1:20pm

familymad

Member Since: 13 Dec 2011
Location: Bucks
Posts: 3481

2016 Defender 130 Puma 2.2 HCPU Santorini Black

Damn, what a faff 1951 80" S1 2.0
1995 110 300TDI
1995 90 300TDI

27th Nov 2022 7:41am

Mining Subsidence Stu

Member Since: 06 Mar 2024
Location: Cornwall
Posts: 17

1991 Defender 90 200 Tdi HT Caledonian Blue

My 200 does this and it's possibly an earth IMO. Hear me out. I think the current/heat dries it out and then it works. When it's dry (occasionally) it will start normally. It could also be the small spade to the solenoid and a similar thing.

My 300 had the problem where it would just not start at all randomly. It would bump, so stop solenoid ok, but it would not crank. Switch was ok, it was totally random. You get in and randomly "it won't crank". I wired the magic box (immobiliser) out by looking at the circuit diagram. When I took the box apart and inspected it, it was like new. The 2 fuses on the right are to do with the alarm. If you remove the 10A one, that's the one which sets the horn off when the alarm goes off. The 5A one kept blowing and that was to do with it not working (after I wired the immobiliser out). I fitted a 7.5A instead (terrible lash up) and it was fine.

It was not confidence inspiring.

7th Mar 2024 7:37pm

Mining Subsidence Stu

Member Since: 06 Mar 2024
Location: Cornwall
Posts: 17

Double post edit.

Solution is to get a 200. The 300 alarm is a parallel universe. Mine did all sorts of weird stuff.

You look at the circuit diagram and the alarm is another magic box and everything goes into it. Any amount of problems open up a library of possibilities.

7th Mar 2024 7:37pm

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