Mustang Constant Voltage Regulator (1967-1968) Installation Instructions

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1967-1968 Mustang Scott Drake Constant Voltage Regulator with an Improved Design

This Constant Voltage Regulator from Scott Drake features an improved design and fits every 1967-1968 Mustang.

Featuring an improved design from the previous model, this constant voltage regulator performs better in varying weather conditions, especially heat and humidity, which gives you more reliability and accuracy. This part is made in the USA and features solid state electronic circuitry and variable controls.

This Install Also Applies To:

• Mustang Constant Voltage Regulator 1967-1968
• Mustang Constant Voltage Regulator 1965-1966
• Mustang Scott Drake Constant Voltage Regulator Improved Design 1965-1966

Tools Required:

• Phillips Head Screw Driver
• 11/32 inch Nut Driver

Install Difficulty:

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• Easy Project

1. The Mustang Scott Drake C6DZ-10804-EADJ Constant Voltage Regulator is used to supply reliable, constant 5VDC to the instrument cluster gauges. The signs of a faulty constant voltage regulator include fluctuating or inoperable gauges.

2. To begin installing the new constant voltage regulator, remove the instrument cluster by removing five screws and the wiring harness plugs.

3. Identify the constant voltage regulator on the rear of the Mustang instrument cluster.

4. Note the location and colors of the wiring before removing the old regulator. The wiring locations must match on the new regulator. For the Scott Drake regulator, the “J1” (male) terminal is the 12 VDC supply and the “J3” (female) terminal is the regulated output terminal.

5. Remove the wiring and the 11/32” retaining nut from the original regulator and replace it with the new regulator, then connect all the wiring.

6. Reinstall the instrument cluster. You've just completed installing your new Mustang Scott Drake Constant Voltage Regulator.