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Attention UrQ owners
I found a much needed modification to the UrQ that is easy to do and well
worth the effort. All the long-timers will prolly laugh and say, rookie, but
it took me a while to track down the diagrams and parts. As UrQ owners know,
there's no temp gage. Well, time to add one. All you need is the temp gage
sender from a 1984 Coupe and the gage from any 4000 series. The sender may
also cross-reference from other 5 cyl models but I'm working on limited info
here. The traces in the UrQ speedo pod are all there for the gage. Remove the
pod, 4 screws, two wire harnesses, 2 bulbs, speedo cable, the cruise control
two wire hook-up, and the hose for the boost gage. Assuming you have a second
gage installed (highly recommended) or just don't care about boost (are you
crazy) you can delete the boost gage. Once the pod is out of the car remove
the 6 or so screws to remove the instruments. Remove the boost gage, bolt in
the temp gage (yes it just bolts in) remove the bulb to the cold temp light
(the blue one). Reassemble dash.
The sender is on the back of the head on the UrQ. The coupe sender is located
on the metal inlet elbow on the block, right up front. The two are exactly the
same from the outside, two wires (blue/brown and blue/yellow) and a rubber
boot. Remove the UrQ sender, replace w/ the coupe sender. Now instead of blue
cold temp light, you have a temp gauge. No cutting of wires, no major mods.
Remember to plug the boost gage hose to prevent vacuum leaks. It's just that
simple.
Next, auxiliary gage panel w/ oil temp, volts, boost, oil pressure as a direct
hook-up, minimum extra wiring, except for clean 12-volt source. Anyone know
where I can put the oil pressure sender (T into 0.3 bar switch on block?)
Andrew Finney
1983 UrQ (temp aware)