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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2021 Posts: 6,772 'Bolter | | 'Bolter Joined: Oct 2021 Posts: 6,772 | The switch is the same and the wiring is probably the same but when the high beams are turned on in a quad lamp system, all four headlamps are on.
Why would a dual headlamp system work differently - turning off the low beams and turning on the high beams when the high beam button is pressed?
So what's the answer to the original question?
With dual headlamp systems, are both filaments lit when the high beam button is pressed the way they are in quad lamp systems?
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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