4 Speed Back Up Light Switch
Four Speed Backup Light Switch – They Did Exist! The first design of the 4-speed synchronized truck transmission, introduced in 1948, was used through about 1965. About mid series, when the dealer...
View Article6 Volt Bulbs
Two major changes occurred in 6 volt General Motors sealed beam bulbs since they were first installed on vehicle assembly lines in 1940. The perfectionist restoring his truck to exact original...
View ArticlePark Light Lens, Amber or Clear
When viewing older GM cars and trucks we see both colors of park light lenses. There seems to be no consistency that gives us the proof of what is actually correct, however, it is easy as remembering a...
View Article1947-1953 GMC Parklights
A redesigned parklight assembly was started with the introduction of the 1947 GMC advanced body style. It was placed in the front fender 3-1/2 inches below the headlight ring. A 2-5/8 inch diameter...
View Article1947-1955 Tail Lights
The Chevrolet and GMC left commercial taillight used during 1947-1953 is an excellent example of GM’s conservative thinking towards trucks. The number one purpose for trucks was work! Therefore, if a...
View Article1951 Tail Light Bracket
Beginning in 1951, the rear bumper became an option on both Chevrolet and GMC pickups. This required a change in the standard left tail light bracket. The tail light assembly was now unprotected...
View ArticlePanel Truck Tail Light
With the introduction of the Advance Design panel truck in mid 1947, it was soon evident that a serious safety hazard existed with a few companies, some night deliveries required the rear double doors...
View ArticleIgnition Cylinder Light
The 1955-59 Chevrolet and GMC originally came with a non-metal shield to direct light into the ignition switch to the key slot. This shield is almost always missing after fifty years. Most shrink after...
View Article1947-55 Suburban/Canopy Express Tail Light
What an ingenious way to keep a tail light in view! General Motors realized that with the tail gate in the lowered position the center tail light still had to be seen by the following traffic. At times...
View ArticleHalogen Lights vs. Generator Charging
With the introduction of Halogen headlights, night driving is a little safer due to more illumination. However, this improvement comes with a negative for those still using a generator for their...
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