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.
1978 Plymouth Arrow Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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Quick Lookups
Common Specs & Procedures
Electrical Component Locations
Technical Bulletins
Wiring Diagrams
- Sub-System Wiring Diagrams - Seat Belt Warning Systems
- Sub-System Wiring Diagrams - Windshield Wiper Systems
- Using lemon2025'S System Wiring Diagrams
- Wiring Diagrams - Engine Performance
- Wiring Diagrams - Headlight Dimmers\Doors - Automatic
- Wiring Diagrams - Seat Belt Warning Systems
- Wiring Diagrams - Seat Controls - Electric - All Models
- Wiring Diagrams - Speed Control Systems - Automatic
- Wiring Diagrams - Sun & Moon Roofs - Electric
- Wiring Diagrams - Turn Signal & Hazard Flashers
- Wiring Diagrams - Window Controls - Electric
- Wiring Diagrams - Wiper/Washer Systems
- Accessories & Equipment
- Body & Frame
- Brakes
- Brakes Control Systems
- Mechanical - Hydraulic
- BENDIX/DELCO-Moraine Dual Piston Master Cylinder
- Brake System Trouble Shooting
- Brake Systems - BENDIX Single Anchor Automatic Adjuster
- Brake Systems - Single Piston Disc
- Brakes
- Hydraulic Brake Bleeding
- Hydraulic System Control Valves
- Power Brake Units - BENDIX Single Diaphragm
- Power Brake Units - BENDIX Tandem Diaphragm
- Drivelines & Axles
- Electrical
- Body Electrical
- Defoggers - Rear Window - CHRYSLER Corp.
- Door & Tailgate Locks
- Key Warning Buzzers
- Rear Window Defogger Fan
- Seat Back Latches -- Electric
- Seat Belt Warning Systems
- Seat Controls -- Electric
- Speed Control Systems -- Automatic
- Steering Wheel & Column Switches
- Sun & Moon Roofs -- Electric
- Switches, Gauges & Instrument Panels
- Turn Signal & Hazard Flasher Systems
- Window Controls - Electric
- Charging Systems
- Component Locations
- Fuses & Circuit Breakers - CHRYSLER Corp. Imports
- Switches, Gauges & Instrument Panels
- Horns
- Motors, Switches, Relays
- Defoggers - Rear Window - CHRYSLER Corp.
- Door & Tailgate Locks
- Key Warning Buzzers
- Rear Window Defogger Fan
- Seat Back Latches -- Electric
- Seat Belt Warning Systems
- Seat Controls -- Electric
- Speed Control Systems -- Automatic
- Steering Wheel & Column Switches
- Sun & Moon Roofs -- Electric
- Switches, Gauges & Instrument Panels
- Turn Signal & Hazard Flasher Systems
- Window Controls - Electric
- Starter
- Wiring Diagrams
- Sub-System Wiring Diagrams - Seat Belt Warning Systems
- Sub-System Wiring Diagrams - Windshield Wiper Systems
- Using lemon2025'S System Wiring Diagrams
- Wiring Diagrams - Engine Performance
- Wiring Diagrams - Headlight Dimmers\Doors - Automatic
- Wiring Diagrams - Seat Belt Warning Systems
- Wiring Diagrams - Seat Controls - Electric - All Models
- Wiring Diagrams - Speed Control Systems - Automatic
- Wiring Diagrams - Sun & Moon Roofs - Electric
- Wiring Diagrams - Turn Signal & Hazard Flashers
- Wiring Diagrams - Window Controls - Electric
- Wiring Diagrams - Wiper/Washer Systems
- Body Electrical
- Engine Mechanical
- Auxiliary Emission Control Systems
- Air Injection Systems
- Aspirator Air System
- Catalytic Converters
- Crankcase Ventilation
- Electric Assist Choke
- Evaporative Emissions System
- Exhaust Gas RECIRCULATION
- Fuel Tank Vapor Control
- Jet Air System
- Mixture Control Valve
- Orifice Spark Advance Control
- Positive Crankcase Ventilation System (PCV)
- Thermostatic Air Cleaner
- Thermostatic Air Cleaners - All Manufacturers
- Vacuum Diagrams
- Variable Speed Cooling Fans
- Cooling System (Mechanical)
- Exhaust
- Fuel System
- Mechanical
- Starter
- Timing Belt
- Auxiliary Emission Control Systems
- Engine Performance
- General Information
- Abbreviations
- Basic Trouble Shooting
- Air Conditioning Servicing
- Basic Trouble Shooting - General Information
- Brake System Trouble Shooting
- Charging System Troubleshooting
- Commonly Used Abbreviations - General Information
- Cooling System Troubleshooting (All Models)
- Drive Axle Trouble Shooting
- Emission Control Abbreviations
- Engine Performance - Trouble Shooting - General Information
- Manual & Power Steering Troubleshooting
- Manual A/C Systems - Trouble Shooting & Diagnosis
- Suspension Trouble Shooting
- Wheel Alignment (Troubleshooting)
- Brakes
- Check Lists
- Driveline/Axles
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Hoist/Jack
- Identification
- Metric Conversions
- Maintenance Reminder Light (Reset Procedures)
- Specifications Index
- Steering
- Towing Procedure
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- Maintenance
- Procedures
- Alternators & Regulators
- Ball Joint Checking
- CHRYSLER Corp.
- General Cooling System Servicing
- Hydraulic Brake Bleeding
- Maintenance Reminder Light (Reset Procedures)
- Power Steering General Servicing
- Wheel Alignment - Specifications & Adjustments
- Wheel Alignment (Pre-Alignment)
- Wheel Alignment (Procedures)
- Wheel Bearing Adjustment - Arrow, Challenger, Colt & SAPPORO
- Schedule
- Procedures
- Restraints
- Steering
- Suspension
- External Pages
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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