Question about 2003 GMC Sierra 1500
Air bag light on
looking for front airbag sensor and test procedure
The front crash sensor is on or near the radiator support under the hood, it is a little square box, one question why do you think it has a problem? it is a mechanical device, a steel ball bearing sitting in an inverted cone, when you crash the ball bearing breaks free of the magnet, that breaks a connection and signals the airbag monitor to fire the airbags, it takes a 5+ MPH impact to set all this in motion, there are side impact sensors as well, the physics of these are a little different, they are measured in G force of the impact, hope all this doesn't bore, one note the fuel that fires the air bag is made by the same folks that make rocket fuel for the solid fuel boosters of the space shuttle.
Posted on Oct 15, 2008
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Posted on Jan 02, 2017
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