1979-1982 Fiat 124 Spider Wiring Diagrams

Wiring diagrams for Fiat 124 Spider models 1979-1982. Detailed schematics for ignition, lighting, power windows, and fuel injection systems are included. PN 1979FIAT124WIRING

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Document Details

keyboard_arrow_down
Document Number / Seller:
29663 / Matthew Jackson
File Size:
119.09 MB
File Type:
ZIP
Language:
English
Pages:
Pages:3001+,
Printable:
Yes
Category:
Car
Last updated / verified
Jun 29, 2025

Models Covered & Key Technical Specifications

1979-1982 Fiat 124 Spider (FIAT124SPIDERWIRING)

Wiring Diagrams | Series Car Library

  • Design Tolerance Values: 10 MM establishes the general assembly parameter.
  • Primary Interference Fit: For optimal function, 0.002-0.004 inches defines the standard operating clearance.
  • Advanced Electrical Load: 2 Amps -- signifies the typical current draw for lighting circuits.
  • Design Production Rate: The ECU requires 12 V for stable operation.
  • Engineered Clearance Data: Electrical circuits reach 5 Amps maximum load.
  • Certified Mapping: For fuel injection systems, 1979-1982 covers the primary system architecture.

Professional Workshop Service Manual & Technical Specifications

Wiring Diagrams Manual: Fiat 124 Spider (1979-1982) Accessories

Year-Coverage: 1979-1982 // Engineering-Base: Fiat Automobiles S.p.A. / Automotive Logic // Year-Coverage: 1979-1982.

Technical Specifications

Identifier System-Path Calibration-Standards
Wiring Diagrams Engine N/A
Circuit Schematics Body N/A
Component Index Electrical N/A

Providing a structural breakdown of electrical systems, this manual details the wiring for various circuits including ignition, starter, alternator, engine cooling fan, and power distribution. It also covers starter circuits, automatic transmission wiring, and high and low beam circuits. Further sections address parking, license, side marker, and panel lights, as well as hazard, turn signal, back-up, and stop lights. The manual documents specific wiring for instruments, indicators, seat belt, and key warning systems, plus courtesy light, clock, and socket circuits. Windshield washer/wiper, heater, horn, and cigarette lighter circuits are also extensively diagrammed. Power windows and radio circuits are detailed, alongside fuel injection system circuits. Coverage extends to component indexing, connector codes, and component board layouts. The document includes detailed schematics for each system, aiding in the identification and troubleshooting of electrical issues.

Technical specifications are provided for ignition system components, including distributors, coil, and spark plugs across various model years. Detailed diagrams illustrate the starting and charging systems, featuring alternators and starters. Information on lighting equipment, fuses, and relay locations is also present, offering a comprehensive guide for electrical system maintenance.

FAQ

Reference the **specified** tool requirements for fuse replacement. keyboard_arrow_down

16 Amps for the primary fuse is required for most circuits, with 8 Amp fuses for secondary systems.

What are the **essential** electrical values for the ignition system? keyboard_arrow_down

12 V is the standard operating voltage for the ignition system, with primary and secondary coil resistance values specified between 0.39 and 11,000 ohms.

Specify the **correct** calibration settings for the alternator. keyboard_arrow_down

13.6 to 14.1 V is the specified range for the voltage regulator, ensuring optimal battery charging.

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The wiring diagrams are incredibly detailed and made troubleshooting so much easier. I received the download link via email almost instantly after purchase, and the support team was very responsive to my questions. Highly recommend!