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Select vehicle to confirm fitment

4WD Indicator Light Switch

PART#: TCA-25
Standard Ignition
Interchanges
BrandPart #
Airtex1S3866
BWDFWD37
CARQUEST Premium By WELLS53-10607 / 5310607
DuralastSW4140
EchlinFWD37
General Motors14037986
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1991ChevroletBlazerScottsdale5.7V8GASOn Transfer Case | 4WD;
1991ChevroletBlazerSilverado6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletBlazerSilverado5.7V8GASOn Transfer Case | 4WD;
1991ChevroletBlazerScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletV1500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1991ChevroletV1500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletV1500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1991ChevroletV1500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletV2500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletV2500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1991ChevroletV2500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1991ChevroletV2500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1991ChevroletV3500Cheyenne7.4V8GAS | 4WD;
1991ChevroletV3500Silverado6.2V8DIESEL | 4WD;
1991ChevroletV3500Silverado7.4V8GAS | 4WD;
1991ChevroletV3500Cheyenne5.7V8GAS | 4WD;
1991ChevroletV3500Silverado5.7V8GAS | 4WD;
1991ChevroletV3500Cheyenne6.2V8DIESEL | 4WD;
1991GMCJimmyBase6.2V8DIESELOn Transfer Case | 4WD;
1991GMCJimmyBase5.7V8GASOn Transfer Case | 4WD;
1991GMCV1500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1991GMCV1500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1991GMCV2500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1991GMCV2500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1991GMCV3500Base7.4V8GASOn Transfer Case | 4WD;
1991GMCV3500SLE6.2V8DIESELOn Transfer Case | 4WD;
1991GMCV3500Base5.7V8GASOn Transfer Case | 4WD;
1991GMCV3500SLE7.4V8GASOn Transfer Case | 4WD;
1991GMCV3500Base6.2V8DIESELOn Transfer Case | 4WD;
1991GMCV3500SLE5.7V8GASOn Transfer Case | 4WD;
1990ChevroletBlazerScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletBlazerScottsdale5.7V8GASOn Transfer Case | 4WD;
1990ChevroletBlazerSilverado5.7V8GASOn Transfer Case | 4WD;
1990ChevroletBlazerSilverado6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletV1500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletV1500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1990ChevroletV1500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1990ChevroletV1500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanScottsdale7.4V8GASOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanSilverado7.4V8GASOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1990ChevroletV2500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1990ChevroletV3500Scottsdale6.2V8DIESEL | 4WD;
1990ChevroletV3500Silverado7.4V8GAS | 4WD;
1990ChevroletV3500Cheyenne6.2V8DIESEL | 4WD;
1990ChevroletV3500Scottsdale7.4V8GAS | 4WD;
1990ChevroletV3500Scottsdale5.7V8GAS | 4WD;
1990ChevroletV3500Silverado6.2V8DIESEL | 4WD;
1990ChevroletV3500Cheyenne5.7V8GAS | 4WD;
1990ChevroletV3500Silverado5.7V8GAS | 4WD;
1990ChevroletV3500Cheyenne7.4V8GAS | 4WD;
1990GMCJimmyBase5.7V8GASOn Transfer Case | 4WD;
1990GMCJimmySierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1990GMCJimmySierra Classic5.7V8GASOn Transfer Case | 4WD;
1990GMCJimmyBase6.2V8DIESELOn Transfer Case | 4WD;
1990GMCV2500 SuburbanSLE6.2V8DIESELOn Transfer Case | 4WD;
1990GMCV2500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1990GMCV2500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1990GMCV2500 SuburbanSLE5.7V8GASOn Transfer Case | 4WD;
1989ChevroletBlazerSilverado6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletBlazerSilverado5.7V8GASOn Transfer Case | 4WD;
1989ChevroletBlazerScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletBlazerScottsdale5.7V8GASOn Transfer Case | 4WD;
1989ChevroletV1500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletV1500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1989ChevroletV1500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletV1500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1989ChevroletV2500 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletV2500 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1989ChevroletV2500 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1989ChevroletV2500 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1989ChevroletV3500Cheyenne7.4V8GAS | 4WD;
1989ChevroletV3500Silverado7.4V8GAS | 4WD;
1989ChevroletV3500Scottsdale6.2V8DIESEL | 4WD;
1989ChevroletV3500Cheyenne5.7V8GAS | 4WD;
1989ChevroletV3500Scottsdale7.4V8GAS | 4WD;
1989ChevroletV3500Cheyenne6.2V8DIESEL | 4WD;
1989ChevroletV3500Silverado5.7V8GAS | 4WD;
1989ChevroletV3500Scottsdale5.7V8GAS | 4WD;
1989ChevroletV3500Silverado6.2V8DIESEL | 4WD;
1989GMCJimmyBase6.2V8DIESELOn Transfer Case | 4WD;
1989GMCJimmyBase5.7V8GASOn Transfer Case | 4WD;
1989GMCJimmySierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1989GMCJimmySierra Classic5.7V8GASOn Transfer Case | 4WD;
1989GMCV2500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1989GMCV2500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1989GMCV2500 SuburbanSierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1989GMCV2500 SuburbanSierra Classic5.7V8GASOn Transfer Case | 4WD;
1989GMCV3500Sierra Classic7.4V8GASOn Transfer Case | 4WD;
1989GMCV3500Sierra Classic5.7V8GASOn Transfer Case | 4WD;
1989GMCV3500Base7.4V8GASOn Transfer Case | 4WD;
1989GMCV3500Sierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1989GMCV3500Base6.2V8DIESELOn Transfer Case | 4WD;
1989GMCV3500Base5.7V8GASOn Transfer Case | 4WD;
1989GMCV3500High Sierra6.2V8DIESELOn Transfer Case | 4WD;
1989GMCV3500High Sierra7.4V8GASOn Transfer Case | 4WD;
1989GMCV3500High Sierra5.7V8GASOn Transfer Case | 4WD;
1988ChevroletBlazerScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletBlazerSilverado6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletBlazerSilverado5.7V8GASOn Transfer Case | 4WD;
1988ChevroletBlazerScottsdale5.7V8GASOn Transfer Case | 4WD;
1988ChevroletV10 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletV10 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1988ChevroletV10 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletV10 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanSilverado7.4V8GASOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanScottsdale7.4V8GASOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1988ChevroletV20 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1988ChevroletV30Custom Deluxe5.7V8GAS | 4WD;
1988ChevroletV30Cheyenne6.2V8DIESEL | 4WD;
1988ChevroletV30Custom Deluxe6.2V8DIESEL | 4WD;
1988ChevroletV30Custom Deluxe7.4V8GAS | 4WD;
1988ChevroletV30Scottsdale6.2V8DIESEL | 4WD;
1988ChevroletV30Silverado4.8L6GAS | 4WD;
1988ChevroletV30Scottsdale5.7V8GAS | 4WD;
1988ChevroletV30Custom Deluxe4.8L6GAS | 4WD;
1988ChevroletV30Scottsdale4.8L6GAS | 4WD;
1988ChevroletV30Silverado6.2V8DIESEL | 4WD;
1988ChevroletV30Cheyenne5.7V8GAS | 4WD;
1988ChevroletV30Scottsdale7.4V8GAS | 4WD;
1988ChevroletV30Cheyenne7.4V8GAS | 4WD;
1988ChevroletV30Silverado5.7V8GAS | 4WD;
1988ChevroletV30Cheyenne4.8L6GAS | 4WD;
1988ChevroletV30Silverado7.4V8GAS | 4WD;
1988GMCJimmyBase5.7V8GASOn Transfer Case | 4WD;
1988GMCJimmySierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1988GMCJimmyBase6.2V8DIESELOn Transfer Case | 4WD;
1988GMCJimmySierra Classic5.7V8GASOn Transfer Case | 4WD;
1988GMCV1500 SuburbanSierra Classic5.7V8GASOn Transfer Case | 4WD;
1988GMCV1500 SuburbanSierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV1500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1988GMCV1500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV2500 SuburbanSierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV2500 SuburbanSierra Classic5.7V8GASOn Transfer Case | 4WD;
1988GMCV2500 SuburbanBase5.7V8GASOn Transfer Case | 4WD;
1988GMCV2500 SuburbanBase6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV3500Base6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV3500Base5.7V8GASOn Transfer Case | 4WD;
1988GMCV3500Base4.8L6GASOn Transfer Case | 4WD;
1988GMCV3500High Sierra6.2V8DIESELOn Transfer Case | 4WD;
1988GMCV3500Sierra Classic7.4V8GASOn Transfer Case | 4WD;
1988GMCV3500Sierra Classic4.8L6GASOn Transfer Case | 4WD;
1988GMCV3500High Sierra7.4V8GASOn Transfer Case | 4WD;
1988GMCV3500Base7.4V8GASOn Transfer Case | 4WD;
1988GMCV3500High Sierra4.8L6GASOn Transfer Case | 4WD;
1988GMCV3500High Sierra5.7V8GASOn Transfer Case | 4WD;
1988GMCV3500Sierra Classic5.7V8GASOn Transfer Case | 4WD;
1988GMCV3500Sierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletBlazerSilverado6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletBlazerCustom Deluxe5.0V8GASOn Transfer Case | 4WD;
1987ChevroletBlazerCustom Deluxe5.7V8GASOn Transfer Case | 4WD;
1987ChevroletBlazerCustom Deluxe6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletBlazerSilverado5.0V8GASOn Transfer Case | 4WD;
1987ChevroletBlazerSilverado5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV10Scottsdale6.2V8DIESEL | 4WD;
1987ChevroletV10Scottsdale4.3V6GAS | 4WD;
1987ChevroletV10Custom Deluxe5.0V8GAS | 4WD;
1987ChevroletV10Custom Deluxe4.3V6GAS | 4WD;
1987ChevroletV10Scottsdale5.7V8GAS | 4WD;
1987ChevroletV10Silverado6.2V8DIESEL | 4WD;
1987ChevroletV10Custom Deluxe5.7V8GAS | 4WD;
1987ChevroletV10Silverado5.0V8GAS | 4WD;
1987ChevroletV10Custom Deluxe6.2V8DIESEL | 4WD;
1987ChevroletV10Silverado4.3V6GAS | 4WD;
1987ChevroletV10Scottsdale5.0V8GAS | 4WD;
1987ChevroletV10Silverado5.7V8GAS | 4WD;
1987ChevroletV10 SuburbanCustom Deluxe6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV10 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV10 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV10 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV10 SuburbanCustom Deluxe5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV10 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV20Custom Deluxe6.2V8DIESEL | 4WD;
1987ChevroletV20Custom Deluxe5.7V8GAS | 4WD;
1987ChevroletV20Silverado4.8L6GAS | 4WD;
1987ChevroletV20Silverado5.7V8GAS | 4WD;
1987ChevroletV20Scottsdale4.8L6GAS | 4WD;
1987ChevroletV20Scottsdale6.2V8DIESEL | 4WD;
1987ChevroletV20Scottsdale5.7V8GAS | 4WD;
1987ChevroletV20Custom Deluxe4.8L6GAS | 4WD;
1987ChevroletV20Silverado6.2V8DIESEL | 4WD;
1987ChevroletV20 SuburbanSilverado7.4V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanScottsdale7.4V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanCustom Deluxe5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanCustom Deluxe6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanSilverado5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanScottsdale6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanCustom Deluxe7.4V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanScottsdale5.7V8GASOn Transfer Case | 4WD;
1987ChevroletV20 SuburbanSilverado6.2V8DIESELOn Transfer Case | 4WD;
1987ChevroletV30Silverado4.8L6GAS | 4WD;
1987ChevroletV30Custom Deluxe6.2V8DIESEL | 4WD;
1987ChevroletV30Custom Deluxe5.7V8GAS | 4WD;
1987ChevroletV30Scottsdale5.7V8GAS | 4WD;
1987ChevroletV30Scottsdale4.8L6GAS | 4WD;
1987ChevroletV30Scottsdale6.2V8DIESEL | 4WD;
1987ChevroletV30Scottsdale7.4V8GAS | 4WD;
1987ChevroletV30Custom Deluxe7.4V8GAS | 4WD;
1987ChevroletV30Silverado6.2V8DIESEL | 4WD;
1987ChevroletV30Silverado5.7V8GAS | 4WD;
1987ChevroletV30Custom Deluxe4.8L6GAS | 4WD;
1987ChevroletV30Silverado7.4V8GAS | 4WD;
1987GMCJimmyBase6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCJimmyBase5.7V8GASMounted on Transfer Case | 4WD;
1987GMCJimmySierra Classic5.0V8GASMounted on Transfer Case | 4WD;
1987GMCJimmyBase5.0V8GASMounted on Transfer Case | 4WD;
1987GMCJimmySierra Classic5.7V8GASMounted on Transfer Case | 4WD;
1987GMCJimmySierra Classic6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV1500Base6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV1500Sierra Classic5.0V8GASOn Transfer Case | 4WD;
1987GMCV1500Sierra Classic4.3V6GASOn Transfer Case | 4WD;
1987GMCV1500Sierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV1500Sierra Classic5.7V8GASOn Transfer Case | 4WD;
1987GMCV1500Base5.7V8GASOn Transfer Case | 4WD;
1987GMCV1500High Sierra5.0V8GASOn Transfer Case | 4WD;
1987GMCV1500High Sierra6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV1500High Sierra4.3V6GASOn Transfer Case | 4WD;
1987GMCV1500Base5.0V8GASOn Transfer Case | 4WD;
1987GMCV1500Base4.3V6GASOn Transfer Case | 4WD;
1987GMCV1500High Sierra5.7V8GASOn Transfer Case | 4WD;
1987GMCV1500 SuburbanBase6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV1500 SuburbanSierra Classic5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV1500 SuburbanHigh Sierra5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV1500 SuburbanBase5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV1500 SuburbanSierra Classic6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV1500 SuburbanHigh Sierra6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV2500Base5.7V8GASOn Transfer Case | 4WD;
1987GMCV2500Base6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV2500Base4.8L6GASOn Transfer Case | 4WD;
1987GMCV2500High Sierra4.8L6GASOn Transfer Case | 4WD;
1987GMCV2500High Sierra6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV2500Sierra Classic6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV2500High Sierra5.7V8GASOn Transfer Case | 4WD;
1987GMCV2500Sierra Classic5.7V8GASOn Transfer Case | 4WD;
1987GMCV2500Sierra Classic4.8L6GASOn Transfer Case | 4WD;
1987GMCV2500 SuburbanBase6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV2500 SuburbanSierra Classic5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV2500 SuburbanBase5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV2500 SuburbanHigh Sierra6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV2500 SuburbanHigh Sierra5.7V8GASMounted on Transfer Case | 4WD;
1987GMCV2500 SuburbanSierra Classic6.2V8DIESELMounted on Transfer Case | 4WD;
1987GMCV3500Base5.7V8GASOn Transfer Case | 4WD;
1987GMCV3500High Sierra6.2V8DIESELOn Transfer Case | 4WD;
1987GMCV3500Sierra Classic7.4V8GASOn Transfer Case | 4WD;
1987GMCV3500High Sierra7.4V8GASOn Transfer Case | 4WD;
Specifications
California Proposition 65Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.
California Proposition 65Warning: This product contains a chemical known to the State of California to cause cancer.
Connector GenderFemale
ContentsSwitch
Terminal GenderFemale
Terminal Quantity2
Terminal TypeBullet
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

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