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AUTOMOTIVE LIGHTING SYSTEMS

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AUTOMOTIVE LIGHTING SYSTEMS. Question # 1. How many light bulbs ... Fog Lights Can be clear or yellow, factory or aftermarket, controlled by separate switch ... – PowerPoint PPT presentation

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Title: AUTOMOTIVE LIGHTING SYSTEMS


1
AUTOMOTIVE LIGHTING SYSTEMS
2
Question 1
  • How many light bulbs are on a modern vehicle?
  • Taillights 8
  • Front 6
  • Side - 4
  • Interior 15
  • IP Controls 22 24
  • Total - 56

3
Lamps
  • Double and single tungsten filaments
  • Filament is in a vacuum

4
Lamp Ratings
  • Trade Design Design Wattage
  • Name Voltage Amperage

5
Types of Headlights
  • Sealed Beam Used between 1939 1975
  • Halogen Bulb filled with halogen, Burns hotter,
    lasts longer
  • Composite fixed housing with replaceable bulb
  • HID High Intensity Discharge Light emitted by
    a spark

6
HID
  • Brighter
  • Wider deeper field of vision
  • Use 37 less power
  • Last up to 100,00 miles
  • As compared to Halogen bulbs

7
HID
  • Separate Ballast produces 80v
  • Ark tube (bulb) filled with Xenon gas
  • Electrons excite salts in Xenon gas creating the
    ark which produces light

8
Headlight Switches
  • Controls driving, parking and IP illumination
    (dimming)
  • Locations On dash or steering column
  • Separate switch for high beam activation

9
Low Beam Circuit
10
High Beam Circuit
11
Exterior Lighting
  • Taillights Contain parking, brake, turn
    signals, backup, license plate lights
  • Can be housed in one unit or in several units
  • Incandescence bulbs or LED
  • Separate 3rd brake light asm. - CHMSL
  • Side Markers Part of parking lights circuit,
    makes vehicle visible from the side
  • Fog Lights Can be clear or yellow, factory or
    aftermarket, controlled by separate switch

12
Interior Lighting
  • Courtesy Lights Trunk, glove box, under hood,
    roof floor lighting
  • Ip Panel Lighting Illuminate gauges and
    controls with dimmable lighting
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