1‑800‑243‑8355
Help
Contact Us
Free Shipping
Shipping Information
Manufacturer Rebates
How To Order
Payment Options
Return Policy
FAQs
Emissions Regulations
Gift Card Balance
Sponsorship Opportunities
Company
Request Catalog
OPGI Blog
Hours & Location
History
Frequent Buyer Points
Volume Discounts
Price Match Guarantee
Kit Swap Savings
Reviews
Careers
Clearance Sale
Archives
My Account
My Orders
My Wish List
As seen on
1970
Grand Prix
My Garage
73
View Garage
1964
Pontiac
GTO
Shop Parts
Filter Search
1963
Pontiac
Bonneville
Shop Parts
Filter Search
1964
Chevrolet
El Camino
Shop Parts
Filter Search
1960
Pontiac
Bonneville
Shop Parts
Filter Search
1973
Cadillac
Series 62
Shop Parts
Filter Search
1979
GMC
K35/K3500
Shop Parts
Filter Search
1981
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1945
Cadillac
60 Special
Shop Parts
Filter Search
1991
Cadillac
Seville
Shop Parts
Filter Search
1967
Pontiac
Bonneville
Shop Parts
Filter Search
1937
Cadillac
Series 75
Shop Parts
Filter Search
1974
Buick
Riviera
Shop Parts
Filter Search
1981
GMC
K15/K1500
Shop Parts
Filter Search
1938
Cadillac
Series 65
Shop Parts
Filter Search
1974
GMC
K15/K1500
Shop Parts
Filter Search
1991
GMC
Jimmy
Shop Parts
Filter Search
1981
Oldsmobile
Cutlass
Shop Parts
Filter Search
1977
Cadillac
Seville
Shop Parts
Filter Search
1948
Cadillac
Series 60
Shop Parts
Filter Search
1951
Cadillac
Series 75
Shop Parts
Filter Search
1970
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1945
Cadillac
Series 60
Shop Parts
Filter Search
1984
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1959
Cadillac
Eldorado
Shop Parts
Filter Search
1960
Cadillac
Eldorado
Shop Parts
Filter Search
1966
Chevrolet
El Camino
Shop Parts
Filter Search
1974
Chevrolet
C30
Shop Parts
Filter Search
1983
Pontiac
Grand Prix
Shop Parts
Filter Search
1987
Chevrolet
Monte Carlo
Shop Parts
Filter Search
1960
Chevrolet
El Camino
Shop Parts
Filter Search
1969
Oldsmobile
Cutlass
Shop Parts
Filter Search
1952
Cadillac
Series 62
Shop Parts
Filter Search
1985
Buick
Regal
Shop Parts
Filter Search
1963
Pontiac
Catalina
Shop Parts
Filter Search
1971
Chevrolet
K20
Shop Parts
Filter Search
1970
Pontiac
Grand Prix
Shop Parts
Filter Search
1969
Buick
Riviera
Shop Parts
Filter Search
1976
Pontiac
Catalina
Shop Parts
Filter Search
1973
Pontiac
Bonneville
Shop Parts
Filter Search
1980
GMC
C35/C3500
Shop Parts
Filter Search
2010
Chevrolet
Malibu
Shop Parts
Filter Search
1951
Cadillac
Series 62
Shop Parts
Filter Search
1976
Chevrolet
El Camino
Shop Parts
Filter Search
1969
Cadillac
Eldorado
Shop Parts
Filter Search
1967
GMC
K25/K2500
Shop Parts
Filter Search
1986
Buick
Regal
Shop Parts
Filter Search
1987
Chevrolet
El Camino
Shop Parts
Filter Search
2014
Chevrolet
Malibu
Shop Parts
Filter Search
1969
Pontiac
Grand Prix
Shop Parts
Filter Search
1973
Chevrolet
El Camino
Shop Parts
Filter Search
1948
Cadillac
Series 63
Shop Parts
Filter Search
1980
Chevrolet
K30
Shop Parts
Filter Search
1961
GMC
K25/K2500
Shop Parts
Filter Search
2006
Cadillac
XLR
Shop Parts
Filter Search
1976
GMC
C25/C2500
Shop Parts
Filter Search
1964
Pontiac
Grand Prix
Shop Parts
Filter Search
1967
Pontiac
Grand Prix
Shop Parts
Filter Search
1968
Pontiac
Bonneville
Shop Parts
Filter Search
1976
Buick
Riviera
Shop Parts
Filter Search
1954
GMC
New Design
Shop Parts
Filter Search
1972
Pontiac
Catalina
Shop Parts
Filter Search
1939
Cadillac
Series 62
Shop Parts
Filter Search
1973
Cadillac
60 Special
Shop Parts
Filter Search
1973
Pontiac
GTO
Shop Parts
Filter Search
1969
Pontiac
LeMans
Shop Parts
Filter Search
2007
Cadillac
Escalade
Shop Parts
Filter Search
1966
Chevrolet
C10
Shop Parts
Filter Search
1961
Pontiac
Bonneville
Shop Parts
Filter Search
1968
Chevrolet
El Camino
Shop Parts
Filter Search
1987
Buick
Grand National
Shop Parts
Filter Search
1968
Pontiac
GTO
Shop Parts
Filter Search
1974
GMC
Jimmy
Shop Parts
Filter Search
1941
Cadillac
Series 67
Shop Parts
Filter Search
Shop All Parts
+ Add Vehicle
Catalogs
Cart
Have a Question?
Ask our Experts
Mon‑Fri 8:00‑4:30 PT
Experts Offline
Interior
Door Handles & Hardware
Door & Window Handles, Door Hinges
Emblems
Reproduction, Aftermarket, Kits, Hardware
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Interior Accessories
Armrests, Carpet, Flooring, Consoles, Dash, Door, Glove Box
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Mirrors & Hardware
Mirrors, Mounting Hardware
Exterior
Decals
Decals, Body Stripes, Misc
Emblems
Reproduction, Aftermarket, Kits, Hardware
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Keys & Locks
Hardware, Keys, Locks, Sets, & Switches
Lamps & Lenses
Headlights, Lamps, Lenses, Bulbs, Hardware
Mirrors & Hardware
Mirrors, Mounting Hardware
Wheels & Accessories
Lug Nuts, Bolts, Studs, Wheels, Accessories
Body Parts & Trim
Bumpers & Hardware
Bumpers, Hardware, Inserts, Brackets
Door Handles & Hardware
Door & Window Handles, Door Hinges
Mirrors & Hardware
Mirrors, Mounting Hardware
Moldings
Front End, Rear, Side, Window, Hardware
Sheet Metal & Body Panels
Doors, Hoods, Fenders, Quarter, Trunk, Floor, Armrest
Trunk Panels & Accessories
Mats, Dividers, Hardware, Accessories
Window
Glass, Motors, Regulators, Hardware
Suspension & Brakes
Brake Systems
Disc, Drum, Master Cylinders, Boosters, Pumps, Valves
Chassis & Suspension
Bushings, Mounts, Chassis, Steering, Suspension
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Engine & Drivetrain
Air & Fuel Delivery
Air Cleaners, Filters, Carburetors, Pumps, Tanks, Manifolds
Cooling & Heating
Air Conditioning, Controls, Fans, Motors, Cores, Radiators, Thermostats, Heaters, Pumps, Ducts
Decals
Decals, Body Stripes, Misc
Drivetrain
Differentials, Driveshafts, Chaines, Shifters, Transmissions, Bearings, Seals
Emblems
Reproduction, Aftermarket, Kits, Hardware
Engines & Components
Belts, Pulleys, Camshafts, Heads, Oiling Systems, Engines
Exhaust
Mufflers, Headers, Pipes, Mainfolds, Tips, Kits
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Fittings & Hoses
Fittings, Clamps, Brackets, Hoses, Lines, Plugs, Tubing, Valves
Gaskets & Seals
Adhesives, Gaskets, Seals, Weatherstripping
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Oils, Fluids & Sealer
Oils, Fluids, Grease, Lubricants, Grease, Cleaners, Sealers, Glues
Windshield Washer
Bottles, Pumps, Arms, Motors, Switches, Hardware
Audio & Electric
Gauges & Accessories
Gauges, Panels, Kits, Sending Units
Ignition & Electrical
Alternators, Wiring, Horns, Starters, Distributors
Mobile Electronics
Antennas, Radios, Speakers, GPS, iPod, Bluetooth
Tools & More
Books
Owners Manuals, Service Manuals, History
Car Care & Paint
Covers, Cleaners, Waxes, Polishes, Paints, Coatings, Dyes, Markers
Fasteners & Hardware
Bolts, Clips, Screws, Ties, Straps, Washer, Nuts
Gifts & Apparel
Shirts, Jackets, Hats, Plates, Garage Decor
Tools & Shop Equipment
Brake, Electrical, Engine, Fuel, Hand, Suspension, Wheel, Tire
×
We use cookies to ensure that we give you the best experience on our website. Click
here
for more information.
Got It
250th Anniversary Sale
Save up to 20% on Restoration - use code: USA250
Home
Grand Prix
1970
Ignition & Electrical
Electrical Wiring
1970 Pontiac Grand Prix
Electrical Wiring
Filters
12
24
36
48
60
96
120
Relevance
Best Selling
A-Z ↓
Z-A ↑
Highest Price ↑
Lowest Price ↓
Newest Arrivals
×
Product Type
Aftermarket
66
Performance
37
Restoration
56
Part Type
A/C Compressor Wiring Harness
2
Accessory Fuse / Relay Wiring Kit
1
Accessory Wiring Junction Block Connector
2
Alternator Harness
2
Auto Trans Kickdown Solenoid Switch
2
Battery
15
Battery Relocation Kit
1
Brake Light Switch
2
Brake Light Switch Bracket
2
Chassis Wire Harness
5
Chassis Wiring Harness Clip
4
Chassis Wiring Harness Strap
3
Circuit Breaker
2
Clamp Value Pack
1
Courtesy Light
1
Courtesy Light Bracket
1
Dashboard Wiring Harness
2
Distributor Wire Harness
1
Door Lock Switch Connector
1
Electrical Clamp
12
Engine Compartment Insulation
4
Engine Cooling Fan Motor Relay
2
Firewall Plate
1
Fuel Pump Relay
2
Fuse Block
2
Fuse Box Screw
1
Grommet
1
Headlight Relay
2
Headlight Wiring Harness
2
Heat Shield Insulator
5
Ignition Capacitor
1
Instrument Panel Light Socket
3
Neutral Safety Switch
2
Pigtail
1
Power Seat Recliner Actuator Wiring Harness Relay
1
Power Seat Wiring Harness
1
Spark Plug Boot Heat Sleeve
1
Spark Plug Wire Holder
3
Thermal Acoustic Insulation
7
Tie Strap and Clip
1
Tubing
1
Turn Signal Switch
1
Under Hood Light
1
Wire Separator
8
Wire Stripper
1
Wire Wrapping Tool
2
Wiring Harness Clip
4
Wiring Harness Tape
2
Wiring Relay
1
Uncategorized
34
Category
Audio Components
2
Charging Systems
16
Computers, Chips & Programmers
5
Convertible Top Hardware
1
Dash & Accessories
3
Electrical & Electrical Testing Tools
3
Electrical Wiring
160
Firewalls/Cowls
1
Fuel Pumps & Regulators
1
Gauges, Panels & Kits
1
Headlights
1
Ignition Components
3
Interiors Clips & Screws
3
Lamp Hardware
2
Lines
4
Oiling Systems
1
Pedal Pads
4
Radiators
1
Shifters
1
Spark Plug Wires & Accessories
26
Starters
1
Steering Components
3
Steering Wheels & Accessories
1
Tail Lamps
1
Ties & Straps
1
Transmissions
1
Tubing
9
Window Hardware
1
Price
$1 - $100
109
$101 - $200
11
$201 - $300
3
$301 - $400
7
$401 - up
29
Brand
American Autowire
6
Antigravity Batteries
15
Lectric Limited
4
Lokar
27
M&H
16
MSD
1
Painless Performance
37
Performance by OPGI
1
Powermaster
1
RESTOPARTS
2
Revolution Electronics
1
Taylor
1
Thermo-Tec
13
Review Rating
ooooo
ooooo
22
ooooo
ooooo
18
ooooo
ooooo
1
ooooo
ooooo
1
ooooo
ooooo
1
Not Yet Reviewed
116
Painless Performance
Wiring Adapter, Alternator, Painless Performance, GM, "CS" 130D Style
ooooo
ooooo
$18.99
Wiring Harness, 1964-73 Various Vehicles, Voltage Regulator Replacement
ooooo
ooooo
$6.99
Painless Performance
Relay, H-4 Headlight Conversion, Painless Performance, Dual Harness
ooooo
ooooo
$153.99
SALE
Hold Downs, Floor Wiring, 1964-72 A-Body, 3pcs (SET)
ooooo
ooooo
$19.99
Save an extra 6%
Use
USA250
at checkout
SALE
M&H
Wiring Harness, Engine, 1970 GTO/Lem./Temp./GP, V8, Auto. Trans.
ooooo
ooooo
$313.99
Save an extra 8%
Use
USA250
at checkout
Painless Performance
Relay, H-4 Headlight Conversion, Painless Performance, Quad Harness
ooooo
ooooo
$181.99
SALE
Hold Down, Floor Wiring, 1964-72 A-Body
ooooo
ooooo
$6.99
Save an extra 7%
Use
USA250
at checkout
SALE
Retainers, Wire Harness, 1968-79 Pontiac (SET)
ooooo
ooooo
$16.99
Save an extra 13%
Use
USA250
at checkout
M&H
Wiring Harness, Engine, 1970 Bonn/Cat, AT
ooooo
ooooo
$349.99
SALE
Lectric Limited
Connector, Power Door Lock Switch, 1970-77 GM A-Body/1968-76 Cadillac
ooooo
ooooo
$27.99
Save an extra 11%
Use
USA250
at checkout
Painless Performance
Wire Wrap, Painless Classic Braid, 1" Diameter, 12' Length
ooooo
ooooo
$45.99
Painless Performance
Wiring Lead, Tachometer, Painless Performance, HEI Distributor
ooooo
ooooo
$12.99
SALE
Connector, Transmission Kickdown Switch, 70-72 GM, TH400, 2-Terminal
ooooo
ooooo
$25.99
Save an extra $1.10
Use
USA250
at checkout
SALE
Lectric Limited
Wiring Harness, Dash Speaker, 1969-72 Pontiac G/T/L/GP
ooooo
ooooo
$47.99
Save an extra $2.10
Use
USA250
at checkout
M&H
Wiring Harness, Engine, 1970 GTO/Lem./Temp./GP, V8, Man. Trans.
ooooo
ooooo
$307.99
Powermaster
Harness, Wiring, 1959-93 GM Cars, Powermaster Starter Diode
ooooo
ooooo
$29.99
Wiring Harness, Internal Regulator Conversion, "SI" Type to "CS130-D" Alternator
ooooo
ooooo
$41.99
Painless Performance
Wire Wrap, Painless Classic Braid, 1/4" Diameter, 20' Length
ooooo
ooooo
$36.99
Painless Performance
Powerbraid Wire Wrap, 1"-diameter, 12-feet
ooooo
ooooo
$49.99
Painless Performance
Powerbraid Installation Tool Set, 3-pc , 1/8", 1/4", 1/2", 3/4" (SET)
ooooo
ooooo
$27.99
Painless Performance
Wire Wrap, Painless Classic Braid, 1/2" Diameter, 10' Length
ooooo
ooooo
$34.99
Painless Performance
Powerbraid Wire Wrap, 1/8"-diameter, 20-feet
ooooo
ooooo
$31.99
Painless Performance
Relay, Fuel Pump, Painless Performance, Standard
ooooo
ooooo
$34.99
SALE
Lectric Limited
Capacitor, Ignition Coil, 1970-74 Bonneville & Catalina & Grand Prix & GTO
ooooo
ooooo
$17.99
Save an extra 7%
Use
USA250
at checkout
Page 3 of 7 - 160 Items
«
1
2
3
4
5
»
Page 3 of 7 - 160 Items
«
1
2
3
4
5
»
Free Ground Shipping
Free Ground Shipping on orders over $299 in the contiguous United States.
Shop Clearance
Save up to 55% on huge clearance deals on hundreds of items.
Earn Points for Free Parts
Earn points for every dollar you spend with OPGI’s Frequent Buyer Rewards Program.
Price Match Guarantee
We’ll price match any currently advertised retail price offered by a retail competitor.
Select Your Vehicle
Find parts that fit your vehicle
GM Cars
GM Trucks
Make
Model
Year
Go