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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPLYMOUTH1984HORIZON L4-97 1.6L SOHCREPAIR AND DIAGNOSISCRUISE CONTROLCRUISE CONTROL SERVOTESTING AND INSPECTION
1984 Plymouth Horizon L4-97 1.6L SOHC
Cruise Control Servo: Testing and Inspection
1984 Plymouth Horizon L4-97 1.6L SOHCSECTION Testing and Inspection
Before servo test is performed, check servo for proper ground.
Fig. 83 Servo Terminal Electrical Connections:
BROWN WIRE W/RED TRACER
1. Connect suitable test lamp between ground and brown wire with red tracer.
2. Place ignition switch and speed control switch in the "On" position. Test lamp should go on.
3. Push in "SET" button. Test lamp should go out and a click should be heard at the servo.
4. Release "SET" button. Test lamp should go on and another click should be heard at the servo.
5. If test lamp does not light as specified, check for a blown fuse, faulty wiring or defective speed control switch. If clicks are not heard at servo, servo is defective.
WHITE WIRE W/RED TRACER
1. Connect suitable test lamp between ground and white wire with green tracer.
2. Place ignition switch and speed control switch in the "On" position. Test lamp should be off.
3. Push in "SET" button. Test lamp should be on while set button is depressed.
4. If test lamp does not light as specified, check for defective speed control switch or faulty wiring.
BLUE WIRE W/RED TRACER
1. Connect suitable test lamp between ground and blue wire with red tracer.
2. Place ignition switch and speed control switch in the "On" position. Test lamp should go on.
3. If test lamp does not light as specified, check for faulty wiring, brake switch, clutch switch or speed control switch.
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:
- • 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.