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Power Switch For TH700R4 & TH200R4

Power Switch

PART# 80217

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$73.76   Suggested Retail
$59.74   Holleydays Price
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Power switch For GM Clutch Converters, 1981 to 1991 Application: 1981 to 1989 GM TH-700R4 1981 to 1991 TH-2004R, 200C and 350C Operate your vehicle as a standard type torque converter when it is more desirable than the lock-up type. The Power switch kit supplied for these transmissions only locks out the converter clutch in first through third gear. The TH700-R4 and the TH2004R will not function properly with the lock-up converter locked out in fourth gear. The Power switch kit automatically overrides the switch in fourth gear in overdrive transmissions.


  • Sold as a kit
  • For overdrive transmissions
  • Overrides switch in 4th gear
  • Locks converter to 3rd gear


Emission Code5
Indicator LightYes
Manual OverrideYes
Product TypeAutomatic Transmission Lock-Up Torque Converter Switch
California Proposition 65 Chemical NameLead
California Proposition 65 RequiredYes
Part Number80217



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

In The Box

In The Box

  • Lighted switch
  • pressure switch
  • electrical connectors
  • wiring

Tech Resources

Fits 1981 to 1989 GM TH700R4 and 1981 to 1991 TH2004R, 200C and 350C
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       X  Holleydays 2020 20% off and DD
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