Do you have access to a factory service manual for the Fiero? You should be able.to use the existing chassis-side Fiero connectors (C500, C203) to interface with the N* harness. To achieve this, you will also need the c500 and c203 engine side connectors and mate them to the N* wiring harness.. OFT S CD 84-88 Pontiac Fiero Parts & Illustrations CD DO 1984-1986 1985-1988 '1985-1988 1996-1988 1997-1988 '984 1 sás 1986 1967-1988 1984-1988 1984-1987
![[DIAGRAM] 1987 Pontiac Fiero Wiring Diagram](http://images.fieroforum.com/2012/87turnsignal.jpg "[DIAGRAM] 1987 Pontiac Fiero Wiring Diagram")
![[DIAGRAM] Pontiac Fiero Cooling Diagram](http://images.fieroforum.com/pffimages3/pg1.jpg "[DIAGRAM] Pontiac Fiero Cooling Diagram")
![[DIAGRAM] Pontiac Fiero Vacuum Diagram](https://i305.photobucket.com/albums/nn222/JeeperosPeru/Other Make/1990DodgeDaytona25Turbo-VacuumDi-1.gif "[DIAGRAM] Pontiac Fiero Vacuum Diagram")
Factory OEM diagrams for PONTIAC Fiero (1984-1988, USA) with system-based navigation and year-specific context; VIN may help refine parts selection.. CowsPatoots_84_Wiring_Harness.jpg 84-Fiero-Electrical-Diagrams.pdf 1984Schematics.pdf 1985Schematics.pdf 1986GTSchematics.pdf 1986SESchematics.pdf 1987GTSchematics.pdf 1987SESchematics.pdf 1988FormCpeSchematics.pdf 1988GTSchematics.pdf 85_Fiero_V6_Wiring.pdf caddywiring.pdf envionmental_controls_circuit.jpg Fiero_Electronic_Cruise_Pinouts.