flickering instrument lights
 

Help! I own a '70 Mach I which until recently had no electronic circuit problems. The instrument and parking lights start flickering on and off after the headlights are turned on for a while. This seems to be temperature related because it does not happen until the engine bay and/or circuit heat up. Also, it happens much easier when the "sport lamps" are turned on. I appreciate any ideas or suggestions.

It may be the headlight switch going bad.

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66 Mustang Black W/ Black
289 Hi-Po 65'heads, MSD
Lunati High lift Cam
750CFM Carb Heddman Headers, Hurst Shifter

I second the switch.

I'll third it, sure sounds like the switch.

Thanks for your replies, as they reinforced my initial guess.

One of my budies just had a similar problem with his headlights. The wires that plugged into his voltage regulator were loose.

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65 convertible
'66 289 Hi Po motor, 351 heads, headers, duals, shelby intake, petronix,
4 speed top loader, 389 rear, road demon