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.
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1987 Pontiac Firebird V8-350 5.7L
Splice Locations
1987 Pontiac Firebird V8-350 5.7LSECTION Splice Locations
FIREBIRD
Splice S101: A/C Harness, RH Rear Corner Of Engine
Splice S102 (V8-305/5.0L (VIN F), Va-350/5.7L, VIN 8): Engine Harness, Above RH Valve Cover
Splice S102 (V8-305/5.0L, VIN H): Engine Harness, Above LH Valve Cover
Splice S103: CCC Harness, Behind RH Side Of I/P
Splice S104: Engine Harness, Behind RH Side Of I/P
Splice S105: Front Lamp Harness, Behind LH Headlamp
Splice S106: Front Lamp Harness, LH Front Corner Of Engine Compartment
Splice S107: Front Lamp Harness, Behind LH Headlamp
Splice S108: TPI Harness, Lower RH Rear Of Engine
Splice S109: Front Lamp Harness, Left Of RH Headlamp
Splice S110: Front Lamp Harness, Behind RH Headlamp
Splice S111: Engine Harness, Lower RH Rear Of Engine Compartment
Splice S112: CCC Harness, Above Front Of RH Valve Cover
Splice S113: CCC Harness, Behind RH Side Of I/P
Splice S114: CCC Harness, Above Front Of RH Valve Cover
Splice S115 (V8-305/5.0L, VIN H): Engine Harness, Above Rear Of Engine
Splice S115 (V6-173/2.8L, VIN S): Engine Harness, Lower RH Front Of Dash
Splice S116: Engine Harness, Rear Of RH Valve Cover
Splice S118: Engine Harness, Above RH Valve Cover
Splice S142 (V8-305/5.0L (VIN F), Va-350/5.7L, VIN 8): TPI Harness, Behind RH Side Of I/P
Splice S143 (V8-305/5.0L (VIN F), Va-350/5.7L, VIN 8): TPI Harness, RH Front Of Dash, Near Plenum
Splice S143 (V6-173/2.8L, VIN S)s): Engine Harness, Center Front Of Dash
Splice S145: Engine Harness Above Rear Of Engine
Splice S146: (V8-305/5.0L (VIN F), V8-350/5.7L, VIN 8): TPI Harness, Behind RH Side Of I/P
Splice S143 (V6-173/2.8L, VIN S): Engine Harness, Behind RH Side Of I/P
Splice S149: Front Lamps Harness, Behind LH Headlamp
Splice S150: Front Lamps Harness, Behind LH Headlamp
Splice S151: Front Lamp Harness, Lower LH Side Of Engine Compartment
Splice S153: A/C Harness, RH Front Of Dash
Splice S154: Engine Harness, Rear Of RH Valve Cover
Splice S158: TPI Harness, Behind RH Side Of I/P
Splice S161: CCC Harness, Above Rear Of Intake Manifold
Splice S162: TPI Harness, LH Rear Corner Of Engine
Splice S163: Engine Harness, Above Rear Of Engine
Splice S164: I/P Harness, Behind LH Side Of Dash
Splice S165: Forward Lamp Harness, LH Front Corner Of Engine Compartment
Splice S166 (V8-305/5.0L (VIN F), V8-350/5.7L, VIN 8): TPI Harness, Top Center Rear Of Engine
Splice S166 (V6-173/2.8L, VIN S): Engine Harness, Lower RH Side OF Engine
Splice S167: Engine Harness, Behind RH Side Of I/P
Splice S168 (V8-305/5.0L (VIN F), V8-350/5.7L, VIN 8): TPI Harness, RH Front Of Dash, Near Plenum
Splice S168 (V6-173/2.8L, VIN S): Engine Harness, Center Front Of Dash
Splice S169: Engine Harness, Behind RH Side Of I/P
Splice S170: Engine Harness, Behind RH Side Of I/P
Splice S171: TPI Harness, RH Front Of Dash, Near Plenum
Splice S172: TPI Harness, RH Front Of Dash, Near Plenum
Splice S173: TPI Harness, Top Center Rear Of Engine
Splice S174: TPI Harness, Top Center Rear Of Engine
Splice S175: TPI Harness, RH Front Of Dash, Near Plenum
Splice S176: Behind RH Side Of I/P
Splice S177: Engine Harness, Top LH Front Of Engine
Splice S178: CCC Harness, Above Rear Of RH Intake Manifold
Splice S179: CCC Harness, Above Rear Of RH Intake Manifold
Splice S180 (V8-305/5.0L (VIN F), V8-350/5.7L, VIN 8): TPI Harness, Lower RH Rear Of Engine
Splice S180 (V6-173/2.8L, VIN S): Injector Harness, Top Of Engine
Splice S181: Injector Harness Top Of Engine
Splice S182: Injector Harness Top Of Engine
Splice S183: Injector Harness Top Of Engine
Splice S200: I/P Harness, Near Fuse Block
Splice S201: I/P Harness, Behind RH Side Of Instrument Cluster
Splice S202: I/P Harness, Behind RH Side Of I/P
Splice S203: I/P Harness, Behind RH Side Of Instrument Cluster
Splice S204: I/P Harness, Behind RH Side Of Instrument Cluster
Splice S205: I/P Harness, Behind RH Side Of Instrument Cluster
Splice S206: I/P Harness, Behind Instrument Cluster
Splice S207: I/P Harness, At Head Of Console
Splice S211: I/P Harness, Behind RH Side Of I/P
Splice S212: I/P Harness, Behind RH Side Of I/P
Splice S217: I/P Harness, Behind Center Of I/P
Splice S219: CCC Harness, Behind RH Side Of I/P
Splice S221: Mirror Harness, LH Shroud At Center Access Hole
Splice S222: Mirror Harness, LH Shroud At Center Access Hole
Splice S223: I/P Harness, Above Fuse Block
Splice S224: I/P Harness, Near Fuse Block
Splice S225: I/P Harness, Behind Center Of Instrument Cluster
Splice S226: I/P Harness, At Head Of Console
Splice S227: I/P Harness, Behind LH Side Of Instrument Panel
Splice S228: I/P Harness, Below Light Switch
Splice S229: I/P Harness, Behind LH Side Of Radio
Splice S230: I/P Harness, Near LH Shroud
Splice S231: I/P Harness, Near LH Shroud
Splice S232: I/P Harness, Behind LH Side Of I/P, Above Fuse Block
Splice S233: I/P Harness, Above Fuse Block
Splice S236: I/P Harness, Below Light Switch
Splice S237: I/P Harness, Behind Center Of Instrument Cluster
Splice S245: Ajar Harness, Behind LH Side Of I/P
Splice S276: I/P Harness, Behind LH Side Of I/P
Splice S300: I/P Hanress, At LH Shroud
Splice S301: Crosscar Harness, Below LH Front Seat
Splice S302: Body Front Harness, LH Side Of End Panel
Splice S307: Rear Lamp Harness, LH Rear Corner Of Cargo Compartment
Splice S308: Rear Lamp Harness, Between LH Turn Signals
Splice S309: Body Front Harness, Behind I/P, At LH Shroud
Splice S311: Rear Lamp Harness, Left Of RH Back-Up Lamp
Splice S327: Defogger Harness, Behind LH Side Of Rear Seat
Splice S331: Lumbar Harness, Below LH Front Seat
Splice S332: Lumbar Harness, Below LH Front Seat
Splice S333: Lumbar Harness, Below LH Front Seat
Splice S334: Lumbar Harness, Below LH Front Seat
Splice S346: Speaker Harness, Behind RH Side Of Rear Seat
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.