LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1975 >> Hi-Cube Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Transmission Controlled Spark System >> Operation >> Temperature Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Temperature Switch

Temperature switch provides a path to ground for cold override feature. When engine coolant temperature is below 93°F, vacuum is allowed to reach advance unit. When engine coolant temperature exceeds 93°F, temperature switch opens, returning vacuum advance to transmission gear position control.