What vehicles does this LED conversion kit fit?

The kit and instruction sheet state it fits the 1967-68 Mercury Cougar.

What is the kit part number?

The HiPo Parts kit number is FC6768MC-EL2; the WCCC inventory label shows number 26923.

Which cluster bulb should NOT be replaced with an LED?

The sheet warns in red: 'Do NOT Replace Alt Warning Lamp with an LED Bulb,' and the symbol key marks certain locations as 'Do NOT Replace w/ LED.'

What bulb types are indicated in the Symbol Key?

3 SMD bulb locations, 1 SMD bulb with rectifier, 5 SMD bulb locations, and locations not to be replaced with LED; the symbol fill indicates the bulb color.

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1967-68 Mercury Cougar LED Gauge Cluster Bulb Conversion Kit FC6768MC-EL2

1967-68 Mercury Cougar gauge cluster bulb-location diagram with symbol key and bulb kit

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Gauge cluster bulb-location diagram for a 1967-68 Mercury Cougar with a symbol key and overlaid LED bulb kit.

AI caption July 2017 · Photo 11 of 47

This image shows an LED gauge cluster conversion kit and its accompanying instruction/reference sheet for the 1967-68 Mercury Cougar. The blister-packed kit, made by HiPo Parts, LLC (kit number FC6768MC-EL2, marketed as a "Factory Color" Series II LED Light Conversion Kit), contains an assortment of LED replacement bulbs in white, green, and red, along with springs and socket hardware. A WCCC (West Coast Classic Cougar) inventory label shows part/stock number 26923 with warehouse location F4H17. The underlying instruction sheet, dated Rev. 16-06W and copyrighted 2009 by HiPo Parts, LLC, shows top-view diagrams of the Cougar instrument cluster (including a version without tachometer) indicating bulb locations. A Symbol Key identifies 3 SMD bulb locations, 1 SMD bulb with rectifier, 5 SMD bulb locations, and positions that should NOT be replaced with LEDs, with symbol fill indicating bulb color. A Bulb Key lists five bulb functions: 1) Illumination Lamp, 2) Right Turn Signal Lamp, 3) High Beam Lamp, 4) Left Turn Signal Lamp, 5) Warning Lamp. A prominent warning states not to replace the alternator warning lamp with an LED bulb. The sheet helps installers place each LED type in the correct cluster socket.

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Frequently asked questions

What vehicles does this LED conversion kit fit?: The kit and instruction sheet state it fits the 1967-68 Mercury Cougar.
What is the kit part number?: The HiPo Parts kit number is FC6768MC-EL2; the WCCC inventory label shows number 26923.
Which cluster bulb should NOT be replaced with an LED?: The sheet warns in red: 'Do NOT Replace Alt Warning Lamp with an LED Bulb,' and the symbol key marks certain locations as 'Do NOT Replace w/ LED.'
What bulb functions are identified in the Bulb Key?: 1 – Illumination Lamp, 2 – Right Turn Signal Lamp, 3 – High Beam Lamp, 4 – Left Turn Signal Lamp, 5 – Warning Lamp.
What bulb types are indicated in the Symbol Key?: 3 SMD bulb locations, 1 SMD bulb with rectifier, 5 SMD bulb locations, and locations not to be replaced with LED; the symbol fill indicates the bulb color.