Lotuscops

To remove the dash binnacle unscrew the ignition switch and the washer pump, then remove the speedo cable so the whole dash panel just pulls forward. The dials can then be twisted out of the pod. The problem with the fuel/temp gauge is probably that the voltage stabiliser is missing or broken and the gauges are getting 12v from somewhere as they need 5v. Easy enough to test with a voltmeter and they are available on ebay. The oil sender is usually broken so that is probably the cause of the oil gauge playing up - these are not that easy to source. The tacho can be replaced by a standard +ve earth one off a GT and these turn up a lot on ebay. The lights on the 4 gauges are controlled by a on/off switch on the lower right part of the under dash as this cuts the power when car is parked at night with lights on. It can only be that or the bulbs so check the connections. Good luck & let us know how you get on or need more advice. Make sure you join my Facebook group Mk1 Cortina CHAT for many experts to pitch in.

You are welcome.

This one went unsold on Ebay recently - Andrew Whitley is the guy. Message him on Ebay or Facebook.

Yes that's right - if it's a later GT it should have two holes in the stat housing. On early GT there was a brass Y piece with gave you two outlets. The sender is different to normal one see below.

Depending on which type of carb/manifold you have there are block gaskets that sit between the two with a brass pipe coming off them, or you could make one easy enough.

Can you add s better pic please - also where are you?

Yes

No they are off my car but usually some on Ebay for sale.

OK these are what you need. Longer type.

Which model as there are early & late types?