Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1982HORIZON BASE, 2.2L ENG VIN B, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALBODY ELECTRICALCRUISE CONTROL SYSTEMSTESTINGSPEED CONTROL SWITCH
1982 Plymouth Horizon Base, 2.2L Eng VIN B, Standard Trans
Speed Control Switch
1982 Plymouth Horizon Base, 2.2L Eng VIN B, Standard TransSECTION Speed Control Switch
- Disconnect 4-wire connector at steering column. Connect a 12 volt positive source to terminal 3 in connector going to speed control switch. With switch in "ON" position, connect a test lamp between connector terminal 1 and ground. Lamp should light and then go out when speed set button is depressed. See Figure .
- Move test lamp lead to terminal 4. Lamp should light with switch in "ON" position and go out when switch is moved to "OFF" position. With switch in "ON" position, move test lamp lead to terminal 2. Lamp should light when speed set button is depressed or switch moved to "RESUME" position.
- If switch does not operate properly in all tests, replace it. If switch operates properly in all tests, complete brake switch and servo unit tests.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.