Plymouth Conquest Guides
Exact DIY maintenance and repair guides for the Plymouth Conquest (1984 - 1986).
Vehicle Repair Hub
Jump to the 1986 Plymouth Conquest repair hub for guides, wiring diagrams, codes, and exact manual sections.
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Factory Service Manuals
Open all manuals →1986 Wiring Diagrams
Open all wiring pages →Exact Wiring
1986 Plymouth Conquest ABS Brake Wiring Diagram
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Exact Wiring
1986 Plymouth Conquest A/C & Heater Wiring Diagram
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Exact Wiring
1986 Plymouth Conquest Alternator Wiring Diagram
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Exact Wiring
1986 Plymouth Conquest Cruise Control Wiring Diagram
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Exact Wiring
1986 Plymouth Conquest Engine Management Wiring Diagram
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Exact Wiring
1986 Plymouth Conquest Instrument Cluster Wiring Diagram
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Common Trouble Codes
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B0001: Driver Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s alternator, instrument cluster diagnostics.
Multi-System
B0010: Passenger Frontal Stage 1 Deployment Control
Trouble code cluster tied to this vehicle’s alternator, instrument cluster diagnostics.
Multi-System
B1318: Battery Voltage Low
Trouble code cluster tied to this vehicle’s alternator, starter 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.
Multi-System
P0500: Vehicle Speed Sensor A
Trouble code cluster tied to this vehicle’s abs, cruise control diagnostics.
Open by Repair Type
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Frequently Asked Questions
- Can I do my own repairs on a Plymouth Conquest?
- Yes, many Plymouth Conquest 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 Conquest?
- The most common Plymouth Conquest 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 Conquest?
- DIY repairs on a Plymouth Conquest 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 Conquest?
- A basic metric socket set, combination wrenches, jack and jack stands, a torque wrench, and common consumables like brake cleaner cover most Plymouth Conquest DIY jobs. Specialty tools are rarely needed for routine maintenance.
- Where can I find parts for my Plymouth Conquest?
- You can find Plymouth Conquest 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.