<VV> Update regarding help with rt brake light
jaysplace at laserpubs.com
Mon Oct 6 18:25:31 EDT 2014
All of this shows -
that you needn't feel bad about having trouble with the lights...
A low wattage bulb can light up just fine with a bad ground - because it
is 'grounding' through the filaments of the higher wattage bulbs it
shares its floating ground with.
Tail light - low wattage.
Turn/stop - higher wattage.
The tail light will light up passing its current through the turn/stop
filaments to the ground on the other side of the car.
The current is too low for the turn/stop filaments to light up. But the
tail light filament looks pretty bright.
Makes for lots of good head-scratching.
On 10/6/2014 3:04 PM, Joel McGregor via VirtualVairs wrote:
> Sorry. For some reason I thought we were talking early and the change in subject lost the connection to the original posts. I was wrong. I guess I made a bad assumption based on my experience. I've never had to work on LM tail lights but lots of EMs.
> Sometimes certain functions of lights will work with bad grounds. When the EM I was working on lost the grounds on both sides the turn signals and licence light still worked but the brake and tail lights didn't. Obviously the turn signal had to be getting a ground somewhere. Not sure where and don't really feel like putting in the effort to figure it out right now.
Jay Maechtlen SoCal '61 2-dr modified w/fiberglass skin, transverse 3.8
Buick V6 TH440T4 trans
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