• Top Street Performance GM LS1 to LS2 Throttle Body Harness Adapter - Main Image
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Top Street Performance

GM LS1 to LS2 Throttle Body Harness Adapter

GM LS1 to LS2 Throttle Body Harness Adapter

SKU: 81032

$32.58
$32.58 $37.03
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Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Adapts an LS1 throttle body harness to a single-plug LS2-style throttle body
  • One 12-inch adapter handles both the 6-pin and 2-pin LS1 connectors
  • Fits LS1-harness Corvette, Camaro, Firebird/Trans Am and 2004 GTO builds
  • Female terminals; air temperature sensor plug not included

Description

This 12-inch wiring harness adapter lets an LS2-style throttle body connect to an LS1 throttle body harness. It joins both the 6-pin and 2-pin LS1 plugs to the single 6-pin plug on the LS2-style throttle body, using female terminals.

Use it when an LS2-style throttle body goes on an engine or into a vehicle wired with the LS1 harness, including LS2 engine swaps into vehicles with an LS1-style harness.


Applications
Fits LS-based Gen III/IV engines running an LS2-style throttle body (6.0L/364 in³ LS2). Made for vehicles with an LS1 harness: Chevrolet Corvette (1997–2004), Chevrolet Camaro (1998–2002), Pontiac Firebird/Trans Am (1998–2002), and Pontiac GTO (2004).

Installation
Before ordering, confirm your engine harness has the LS1-style 6-pin and 2-pin throttle body plugs and your throttle body has the single 6-pin LS2-style plug.

Specs

Air Temperature Sensor Plug IncludedNo
Cable TypeThrottle Body Wiring Harness Adapter
ColorBlack
Harness Plug StyleLS1 Throttle Body
QuantitySold individually
Terminal GenderFemale
Throttle Body StyleLS2 Throttle Body
Wiring Harness Length12 in.

Engine Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 6.0 L / 364 in³ (LS2)
NOTE: Adapts an LS1 throttle body harness (one 6-pin and one 2-pin connector) to an LS2-style throttle body with a single 6-pin connector

NOTES
• 12 in. wiring harness adapter with female terminals
• Connects both the 6-pin and 2-pin LS1 harness plugs to the single 6-pin plug on an LS2-style throttle body
• Air temperature sensor plug not included
• Confirm that your engine harness has the LS1-style 6-pin and 2-pin throttle body plugs, and that your throttle body has the single 6-pin LS2-style plug, before ordering

COMMON VEHICLE APPLICATIONS
Chevrolet Corvette (1997–2004, LS1 harness)
Chevrolet Camaro (1998–2002, LS1 harness)
Pontiac Firebird / Trans Am (1998–2002, LS1 harness)
Pontiac GTO (2004, LS1 harness)
LS2 engine swaps into vehicles with an LS1-style harness

Q&A

What does this adapter do?
It connects an LS1 throttle body harness (one 6-pin and one 2-pin plug) to an LS2-style throttle body with a single 6-pin plug.

Is this a throttle body?
No. It’s a 12-inch wiring harness adapter with female terminals. It doesn’t include a throttle body.

How do I know if I need it?
You need it if your engine harness has the LS1-style 6-pin and 2-pin throttle body plugs and your throttle body has the single 6-pin LS2-style plug.

Does it include the air temperature sensor plug?
No.

How long is the adapter?
12 inches.

Which vehicles use the LS1 harness?
Chevrolet Corvette (1997–2004), Chevrolet Camaro (1998–2002), Pontiac Firebird/Trans Am (1998–2002), and Pontiac GTO (2004).

Can I use it for an LS2 engine swap?
Yes. It’s listed for LS2 engine swaps into vehicles with an LS1-style harness.

Is it sold as a single piece?
Yes, sold individually.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.