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Barnesy276



Member Since: 22 Mar 2023
Location: Wiltshire
Posts: 3
United Kingdom 1994 Defender 90 200 Tdi CSW Alaska White
200tdi earthing

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Bit of background, the past couple of trips I’ve made the electrics on the dash, fuel gauge, temp & the instrument panel dies sporadically then may come back. This also knocks out indicators & break lights, good hand signals needed

I’ve checked the battery earth, and cleaned but I’m struggling to locate the earths around the gearbox. Is it easier to access from above or below. I’ve spent a fair bit of time underneath looking for C812/3 but can’t spot it

Any help greatly appreciated for this novice
Post #1002310 30th Jul 2023 6:23pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
The gearbox earth strap should go from a bolt holding the PTO plate in position to the chassis. Usually one of the bolts is a double ended stud with a hex for a spanner. If it is not there then it is possible it has been left off during another owners/mechanics ministrations underneath.

The gauges on the 200tdi do suffer from bad earths so make sure all the gauge bodies are earthed properly.

One marvellous experience I had with 200tdi earthing was before I knew how critical clean earths are. It was an irritating and expensive lesson. I needed to winch a friend who had gotten in to strife, hooked up turned the winch on and as soon as I began to reel him in... What's that smell. The winch had earthed through the handbrake cable, melting the plastic sheeting inside and seizing it solid. Rolling Eyes

Definitely a lesson...
Post #1002351 31st Jul 2023 7:13am
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Barnesy276



Member Since: 22 Mar 2023
Location: Wiltshire
Posts: 3
United Kingdom 1994 Defender 90 200 Tdi CSW Alaska White
Thanks. After your story note to self be wary of winches
Post #1002359 31st Jul 2023 8:18am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Yes, winches are not to be fooled around with. But they are a useful tool. Thumbs Up
Post #1002360 31st Jul 2023 8:20am
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Oh and when you find and clean up your earth points give them a good smear of something like vaseline jelly to prevent further corrosion. Thumbs Up
Post #1002362 31st Jul 2023 8:21am
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