B&M 80217 Power Switch For TH700R4 & TH200R4

Power Switch

PART# 80217

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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

Product Attributes

Emission Code5
Manufacturer Part Number80217
Product TypeConverter Lockup Controllers
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.

Tech Resources

For 1981 to 1989 GM TH700R4 and 1981 to 1991 TH2004R, 200C and 350C
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    Some parts are not legal for use in California or other states with similar regulations.