First the back story: When I bought this car last March, it had a 93 AOD trans n' a 65 Mustang rear. The rear had a set of ancient Richmond Sportsman 4:11 gears that made it really peppy from light to light but were a bummer on I95 southbound @75mph;.. Anyhow, I got a 23 tooth speedo pinion drive gear ta' get the speedo in the neighborhood, but eventually the gear would strip all its teeth off in frustration after bout 100 miles of running around. I talked to my buddy who builds transmissions all day for anything that moves an he tole me that was pretty typical, seein ; how the teeth were so fine and there was so may of them and yeah, Mister Slide Rule, I notched the underbody of my rusty ol tub so the speedo cable had a nice gentle bend in it were it come out the tail shaft. So it came ta; pass that I bought a 2:80 open rear off a dude in Dover for $30.00 on Craig's list so's I could ditch the drag racin; gear set on egay and put a set of 3:55 gears in it, as soon as one of you dudes get off that trak-loc carrier yer hidin in the garage. Laffin. After puttin' in the pokey 2:80 rear, I was already sick a' crawlin'; under the car an; droppin;; one side of the cross member to swap out speedo gears so I swiped the Garmin from the Missus; Audi n' plugged it in the lighter hole. So to make a long story even longer, I got sick of the wife whining about never bein able to find the GPS cuz it was in the Falcon bein the de facto speedometer. So I sold some more useless bike shit and coughed up the bucks for a Speedhut GPS speedo, tachometer, and fuel gauge. I'm gonna be running a VDO water temp gauge I already had. I really, really like VDO stuff. This'll prolly make the ACCA Falcon duffers shit their drawers but it's my ride an' if I wanna' put modern gauges in it, I'm doin; it. Because I'm a former euro-trash-Bosch and Harley-Davidson mechanic, I'm queer for Deutsch connecters. Just lookin at all them little pins gives me a semi. So I got out the car schematic (and downloaded the gauge instructions) and butchered a harness together all the while takin' copious notes on wire colors n' such.