... receives sufficient cooling. They are controlled by a temperature sender unit that sits low down on the cylinder head.

... in again, and when the engine was running I unplugged the temperature sender unit which brought the radiator fans on full speed. So, from this I am going to conclude that: ...

... on the chassis blocked, the pipe goes from the top of the tank at the sender unit to the inside chassis leg just behind where the fuel tank ends at the rear, it's a black ...

... receives sufficient cooling. They are controlled by a temperature sender unit that sits low down on the cylinder head.

If you are going to take off from the tank I went through the sender unit plate.you can remove from the van and do it on the bench. Dont forget to set the pipe to leave some fuel in the tank.
I may have a pic somewhere.

... to draw fuel from the tank,you could fit an internal suction on the sender unit.

Perfect, thank you.

The signal is available at the dashboard as the sender feeds the light directly, sending it an eaarth to light the lamp. Pin 3H on dashboard connectors

I was hoping I could locate the wire from the sender unit under the seat area as opposed to laying on the floor.
(have a job getting back these days after falling from a tree a few years back). I am trying to connect my TM4
to the oil sender.

Thanks again Geoff.

Part 18-501 here http://www.lushprojects.com/bongopartsm ... no=.html#3

Probably basic to some but can some one tell me where I locate the oil light sender unit on a V6.

I made a pick up pipe that terminates high in the fuel tank to ensure heater can run short but still leaves a fair bit in the tank. I used brake pipe and ferrules through a drilling in the sender unit.

The temp gauge is controlled by the upper temp sender unit which sits up by the thermostat housing. It may have been disturbed, or even failed, while bleeding the coolant. Picture of sender unit at https://bongoland.co.uk/product/top-tem ... nder-unit/

Here's an extract from the "Fuel Gauge Sender Unit" factsheet in the members area: "The Bongo’s fuel tank panel (hatch), which allows access ...