Main Heater System

1999 Dodge and Ram Caravan Base, 2.4 BSECTION Main Heater System

Mode switch on heater control panel allows selection of airflow direction. A temperature control lever adjusts amount of warm air entering system. Heater control panel uses resistors in the mode switch and temperature control to determine airflow and temperature. Blower switch on control panel has 5 blower speed selections. See Figure .

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.