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rotorwrench · 10-12-2019, 01:14 PM

Adding bonding is way to get a good ground path without taking the car apart and actually cleaning the pathways that can get corrosion or crud that adds resistance to the ground path. Most wire was poorly insulated with resin and cloth until vinyl coverings improved things in the 1950s. I doubt if this was a consideration when the wiring was new and clean. The manufacturers have never figured a car was going to last as long as some of them have. Life expectancy was around 5 years in the early Model T days and 10-years beginning with the Model A. That life limit has only changed relatively recently due to requirements set in the lemon laws that were passed by the government. 20-years is closer to the standard now days.

10-12-2019, 01:14 PM	#15
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,422	Re: Positive Ground Adding bonding is way to get a good ground path without taking the car apart and actually cleaning the pathways that can get corrosion or crud that adds resistance to the ground path. Most wire was poorly insulated with resin and cloth until vinyl coverings improved things in the 1950s. I doubt if this was a consideration when the wiring was new and clean. The manufacturers have never figured a car was going to last as long as some of them have. Life expectancy was around 5 years in the early Model T days and 10-years beginning with the Model A. That life limit has only changed relatively recently due to requirements set in the lemon laws that were passed by the government. 20-years is closer to the standard now days.