Section 11D · Pages 579–586 (8 pages)

Guide-Matic Power Headlamp Control

From the 1962 Buick Chassis Service Manual (LeSabre, Invicta, Electra 225)

Year
1962
Make
Buick
Vehicle
Passenger Cars
Type
Service Manual
Models
Series 4400 LeSabre, 4600 Invicta and 4800 Electra 225
Pages
626

The Guide-Matic automatic headlamp dimmer with its phototube unit, amplifier unit and dimmer-override foot switch: description, trouble shooting by symptom, removal and installation, and vertical aiming and sensitivity adjustment with Tester J-8465.

What this section covers

  • Description and operation
  • Trouble shooting by complaint
  • Phototube and amplifier removal
  • Vertical aiming procedure
  • Dim and hold sensitivity tests
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