86 horizon swap standard gauge cluster for rallye gauges

[LaserGurl]

Hi guys! I was wondering what I would have to do to put the rallye gauge cluster out of my 87 charger (NA) into my 86 horizon (also still NA). All the Horizon has is the fuel gauge, speedo, and voltmeter... pretty worthless as far as gauges go! My charger is being stripped down for parts anyways and is handy. Is this a pretty straightforward swap, unplug one and plug in the other? I know I will have to add the proper sensors and possibly some wireing. I just didn't know if all the cars are wired for the extra gauges behind the cluster or if I will have to run new wires from the sensors to the cluster. Id appreciate any help you could give me! Thanks!

[BadAssPerformance]

Not too familair with the L-bodies, but think the cluster would swap in and you might just have to add the oil pressure sender and coolant temp sender? Should be able to take whatever you need off the 87. If you need wires past the harness connectors, the connectors come apart so you can add the extension wires to the sensors in.