Hi everyone, does anyone know what is the Ohms values for AMR1425 Green end (Water Temperature Sender Unit for 300 TDI) engine please? I am intending to install a aftermarket coolant gauge. Thanks

Hi yes from engine breather (by the rocker cover on the left side of the engine) to Air filter housing

Thanks for your reply, that's a good news

Hi Everyone My Defender has 300tdi conversion possibly engine from a Discovery. I took off the air filter housing for a cleanup and started the vehicle to check something else and noticed that bit of water was coming out of the crankcase breather...

Hi have installed a auxiliary battery and standalone Glow plug relay with another timer relay. A thick 12v live and negative cables from the Auxiliary battery. But still when Glow plugs are glowing voltage drops to 10.6 - 10.8 the max from 12.7v...

That's a great news. Yesterday I tested the Britparts Glow glow out from the situ with another battery and they were starts to flow within 5-10 seconds in full. This morning I turned the ignition switch to the position 1 then all of the dash...

Would it require a new ignition switch and/or barrel to install the glow plugs on a relay ? Any idea if the existing spring action ignition switch has any timer on it for Glow plugs?

That thick brown Glow plug wire on the bulk head, comes out with main wiring loom. I will take a picture behind the speedo/dash and will post it here today.

I really appreciate your reply and thanks for you time and guidance. Previously I always started Defender 90 by straight turning the key like a petrol car and it always started without any issues. As I wasn't ware of the pre heating procedure...

Hi Flossie It is 100% a spring action ignition switch. Recently it was struggling to start in the morning. I checked all of the Glow plugs and all were dead and were replaced with new Britparts Glow plugs. I thought to check the Glow plug relay...