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1978-1987 Regal LS1/LS6 with Non-Electric Transmission Drive By Cable Standalone Wiring Harness WH1200

Ground Up Part #: TSP-WH1200

Manufacturer Part #: WH1200

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$326.99 (Each)

MSRP: $376.04

(You Save: 13%)

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Part Details Vehicle Fitment Reviews
An LS engine swap is a no-brainer when it comes to adding some affordable horsepower to your Regal, but any swap comes with its share of headaches, including wiring. That's where TSP's engine and transmission wiring harness comes in. It is designed for engines from '97 - '04 LS1 and LS6 Corvettes and '99-'06 drive-by-cable GM trucks with T56 manual or non-electronic automatic transmissions.

Features and Specifications:

  • Throttle:Drive-By-Cable
  • Injector Plug Style:EV1
  • Harness Length:Standard
  • Fuse Block Included:Yes


  • Fuse/Relay Box
  • Fuel Pump Control
  • Fan Controls
  • Check Engine Light, Speedometer, Tachometer, OBD2
  • IAC and TPS
  • MAF Sensor
  • MAP Sensor
  • Engine Coolant Temp Sensor
  • Alternator Control
  • (2) Upstream Oxygen Sensors
  • Crankfshaft Position
  • Camshaft Position
  • Fuel Injectors
  • Coil Packs
  • Manual or Automatic Transmission Control
  • Knock Sensors
. Manufacturer Part Number: WH1200

Part Notes:

Fits LS1/LS6 (5.7L) Corvettes and Vortec (4.8L, 5.3L, 6.0L) GM truck engines drive-by cable applications with LS1 intake manifolds and T56 manual or non-electronic automatic transmissions. Adapter TSP-81033 required when using GM #12592525 MAP sensor.

warning WARNING: Cancer & Reproductive Harm -
Brand Logo Top Street Performance
Additional Information
  • Ground Up Part #: TSP-WH1200
  • Brand: Top Street Performance
  • Manufacturer Part #: WH1200
  • Sold As: Each
  • Shipping Details: This item ships UPS Ground.
Vehicle Fitment
Make Model Year Body Style
Buick Regal 1978 -
Buick Regal 1979 -
Buick Regal 1980 -
Buick Regal 1981 -
Buick Regal 1982 -
Buick Regal 1983 -
Buick Regal 1984 -
Buick Regal 1985 -
Buick Regal 1986 -
Buick Regal 1987 -
Installation Time
Installation Time: Info Unavailable
Installation Difficulty
Installation Difficulty: Info Unavailable

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