Hey i just bought a ed and it has the fairmont dashin it everything works but the tempgauge. I've lookedg the engine bay and there's a blue plug not connected and a red but there's nothing to connect to how can i fix it.

you have a ef el thermostat housing eb-ed has 2 extra hole & the blue plug connects to a sender & red goes under it to temp gauge sender ,go to wreckers & get eb _ed one can get them new on ebay but you need the senders also

eb ed thermostat housing

el