Plymouth Reliant Guides
Comprehensive DIY maintenance and repair guides for the Plymouth Reliant (1981 - 1989).
Vehicle Repair Hub
Jump to the 1989 Plymouth Reliant repair hub for guides, wiring diagrams, codes, and more.
Factory Service Manuals
Browse all manuals →Plymouth Reliant Specs & Fitment
Browse all spec pages →🔋 Battery Location
Plymouth Reliant
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❄️ Coolant Type
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🧪 Fluid Capacities
Plymouth Reliant
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💡 Headlight Bulb Size
Plymouth Reliant
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🛢️ Oil Type & Capacity
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⚙️ Serpentine Belt
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⚡ Spark Plug Type
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🔘 Tire Size
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1989 Wiring Diagrams
Browse all wiring pages →Exact Wiring
1989 Plymouth Reliant A/C & Heater Wiring Diagram
Open the exact a/c & heater diagram cluster for this vehicle.
Exact Wiring
1989 Plymouth Reliant Airbag SRS Wiring Diagram
Open the exact airbag srs diagram cluster for this vehicle.
Exact Wiring
1989 Plymouth Reliant Alternator Wiring Diagram
Open the exact alternator diagram cluster for this vehicle.
Exact Wiring
1989 Plymouth Reliant Body Electrical Wiring Diagram
Open the exact body electrical diagram cluster for this vehicle.
Exact Wiring
1989 Plymouth Reliant Cruise Control Wiring Diagram
Open the exact cruise control diagram cluster for this vehicle.
Exact Wiring
1989 Plymouth Reliant Engine Management Wiring Diagram
Open the exact engine management diagram cluster for this vehicle.
Common Trouble Codes
Browse all DTC codes →Multi-System
B0001: Driver Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s airbag srs, alternator, instrument cluster diagnostics.
Multi-System
B0010: Passenger Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s airbag srs, alternator, instrument cluster diagnostics.
Multi-System
B1318: Battery Voltage Low
Trouble code cluster tied to this vehicle’s alternator, body electrical, starter diagnostics.
Multi-System
P0563: System Voltage High
Trouble code cluster tied to this vehicle’s alternator, headlight, power windows diagnostics.
Multi-System
P0121: Throttle Position Sensor A Range/Performance
Trouble code cluster tied to this vehicle’s cruise control, wipers diagnostics.
Multi-System
P0335: Crankshaft Position Sensor A Circuit
Trouble code cluster tied to this vehicle’s starter, wipers diagnostics.
Browse by Repair Type
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Frequently Asked Questions
- Can I do my own repairs on a Plymouth Reliant?
- Yes, many Plymouth Reliant repairs are DIY-friendly. Common jobs like oil changes, brake pads, air filters, and battery replacement can be done at home with basic hand tools. You can save $100–$400 per repair compared to a shop.
- What are the most common repairs for a Plymouth Reliant?
- The most common Plymouth Reliant repairs include oil changes, brake pad and rotor replacement, spark plug replacement, battery replacement, and cabin/engine air filter changes. These are standard maintenance items for any vehicle.
- How much can I save doing DIY repairs on my Plymouth Reliant?
- DIY repairs on a Plymouth Reliant typically save $80–$200 per job in labor costs alone. Over a year of routine maintenance, most owners save $300–$800 compared to dealership or independent shop pricing.
- What tools do I need to work on a Plymouth Reliant?
- A basic metric socket set, combination wrenches, jack and jack stands, a torque wrench, and common consumables like brake cleaner cover most Plymouth Reliant DIY jobs. Specialty tools are rarely needed for routine maintenance.
- Where can I find parts for my Plymouth Reliant?
- You can find Plymouth Reliant parts on Amazon with fast Prime shipping, at local auto parts stores like AutoZone or O'Reilly, or from online specialists. OEM part numbers help ensure correct fitment for your specific year and trim.