The classic hood mounted tach from the 60's. Black plastic housing with a white dial face and bright back lit numbers makes this a great add-on accessory.
Features a red-line needle.
It measures 5 1/4" at its widest, 3 1/4" at its tallest and 9" long when you include the hooded portion.
Holes must be drilled in the hood for proper installation.
Red - Power
Black - Ground
Green - Coil - Negative
White - Lights
Internal switch which can be viewed through the hole the wires come out of is to set whether you have a 6 Cyl or 8 Cyl. The default setting is 8 Cyl.