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When I worked for a security company they had a magnetic spot light like that on the Ranger that we drove around, it was pretty fun and helped me spot deer along the river all night. Of course the extra lighting helped me get through some of the coast to coast interviews. <img src="/forums/images/graemlins/baby.gif" alt="" />

Bit the bullet and bought something similar to what you describe.
[Linked Image]
ò Exclusive Cr5 PentabeamÖ II Technology
ò Wireless Remote Controlled Operation
ò 370? Rotation x 135? Tilt
ò 500,000 Candle Power, 5.5 Amps
ò UV Ray and Saltwater Resistant
ò Integrated 12V DC High-Torque Motors
ò Weatherproof for Land and Sea Applications
ò Waterproof Remote Transmitters
ò R.F. Programmable Super Heterodyne Receiver

Now, I beg the question, will a stock 2.6 Raider's alternator handle this load?
And, if I can't locate a magnetic base for this, anybody have any ideas how to mount on roof WITHOUT drilling into roof?