I have a 99 tour w/out the indash clock. If i buy the clock assembly is hard to recontent it?

I've already pulled out the existing trim with my LED and i don't have the connector for the clock.

I do have the wiring diagram, it's suppose to have 5 wires to the clock.

1 for the ground, that 1 should take from the radio;
1 for the PATS system, that i might run the wire from my existing LED;
1 for the lightning of the clock that i can take from the HVAC control;
2 powers from fuse #32 and 34 from the passenger compartment fuse box, that i might take from the always hot and power from my radio. These are probably for the power on and memory.

Am'I right????

Nic.

Contour 99 MTX V6 fully loaded, stock with 110000km. Illuminated sunroof switch. About to do the mystique rear dome light conversion with eyeball dome light.