HomeElectrical, Lighting and Body > Flasher Units, Fuses, and Circuit BreakersStandard Ignition EFL-5 Turn Signal Flasher
Part #: EFL-5

Standard Ignition EFL-5 Turn Signal Flasher

250 vehicles fit this part
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Fitment: Buick, Chevrolet, GMC, Pontiac, Oldsmobile, and Saturn, Century, Terraza, Astro, Uplander, Venture, Safari, Montana, Regal, Silhouette, Grand Prix, Avalanche 1500, Avalanche 2500, Express 1500, Express 2500, Express 3500, Suburban 1500, Suburban 2500, Tahoe, Savana 1500, Savana 2500, Savana 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Bonneville, Lumina, Monte Carlo, Sonoma, LW200, LW300, SC1, SC2, SL, SL1, SL2, SW2, LW1, LW2, SW1, Blazer, C1500, C2500, C3500, K1500, K2500, K3500, S10, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, Trans Sport, Cutlass, and Cutlass Supreme
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Reliable Turn Signal Flasher for Select GM Vehicles

The Standard Ignition EFL-5 turn signal flasher is designed to provide consistent and dependable flashing performance for a range of General Motors vehicles. Engineered for 12-volt electrical systems, this flasher unit ensures proper signaling functionality in models such as Chevrolet Avalanche, GMC Sierra, and Pontiac Grand Prix.

  • Compatible with multiple GM makes including Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn
  • Designed for 12-volt electrical systems
  • Features three male blade terminals for secure connections
  • Connector and terminal gender: male
  • Does not include mounting brackets for flexible installation options

Technical Specifications and Features

The EFL-5 turn signal flasher from Standard Ignition operates as a flasher function unit with three blade-type terminals, all male, ensuring compatibility with factory wiring harnesses on supported vehicles. Its 12-volt rating matches the electrical systems of many GM trucks, SUVs, and passenger cars. The absence of mounting brackets allows for versatile placement within the vehicle’s electrical compartment, accommodating various installation preferences.

Compatible Vehicles and Applications

This turn signal flasher is compatible with a wide range of GM vehicles, including but not limited to Chevrolet Avalanche 1500 and 2500, GMC Sierra K1500 and K2500, Buick Century and Regal, Pontiac Grand Prix and Bonneville, as well as Saturn SL and SW series. It is suitable for models such as the Chevrolet Blazer, Suburban 1500 and 2500, and GMC Yukon XL 1500 and 2500, providing reliable turn signal operation across these platforms.

Common Issues Addressed by the EFL-5 Flasher

  • Intermittent or non-functioning turn signals
  • Rapid or irregular blinking of turn signal lights
  • Turn signals that fail to cancel after a turn
  • Electrical shorts or blown fuses related to flasher units
  • Replacement of worn or faulty original equipment flasher

Installation Notes and Tips

When installing the Standard Ignition EFL-5 turn signal flasher, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. The male blade terminals should be matched carefully to the corresponding female connectors in the vehicle’s wiring harness. Since mounting brackets are not included, secure the flasher unit in a location that prevents vibration and exposure to moisture. Consult the vehicle’s service manual for specific wiring diagrams and flasher unit locations.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The EFL-5 turn signal flasher undergoes rigorous quality control testing to maintain consistent electrical function. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship for a specified period. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberEFL-5
Connector GenderMale
FunctionsFlasher
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 250 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickCenturyN/A
2005BuickTerrazaN/A
2005ChevroletAstro4.3LV6N/A
2005ChevroletAstroN/A
2005ChevroletUplanderN/A
2005GMCSafariN/A
2005PontiacMontana3.4LV6N/A
2005PontiacMontana3.5LV6N/A
2004BuickCenturyN/A
2004BuickRegalN/A
2004ChevroletAstro4.3LV6N/A
2004ChevroletAstroN/A
2004GMCSafariN/A
2004OldsmobileSilhouetteN/A
2004PontiacMontana3.4LV6N/A
2003BuickCenturyN/A
2003BuickRegalN/A
2003ChevroletAstro4.3LV6N/A
2003ChevroletAstroN/A
2003GMCSafariN/A
2003OldsmobileSilhouetteN/A
2003PontiacGrand Prix3.8LV6N/A
2003PontiacGrand Prix3.1LV6N/A
2003PontiacGrand PrixN/A
2003PontiacMontana3.4LV6N/A
2002BuickCenturyN/A
2002BuickRegalN/A
2002ChevroletAstro4.3LV6N/A
2002ChevroletAstroN/A
2002ChevroletAvalanche 1500N/AElectronic Flasher; 3 Blade Term.
2002ChevroletAvalanche 2500N/AElectronic Flasher; 3 Blade Term.
2002ChevroletExpress 1500N/A
2002ChevroletExpress 2500N/A
2002ChevroletExpress 3500N/A
2002ChevroletSuburban 1500N/AElectronic Flasher; 3 Blade Term.
2002ChevroletSuburban 2500N/AElectronic Flasher; 3 Blade Term.
2002ChevroletTahoeN/AElectronic Flasher; 3 Blade Term.
2002GMCSafariN/A
2002GMCSavana 1500N/A
2002GMCSavana 2500N/A
2002GMCSavana 3500N/A
2002GMCYukonN/AElectronic Flasher; 3 Blade Term.
2002GMCYukon XL 1500N/AElectronic Flasher; 3 Blade Term.
2002GMCYukon XL 2500N/AElectronic Flasher; 3 Blade Term.
2002OldsmobileSilhouetteN/A
2002PontiacBonnevilleN/A
2002PontiacGrand PrixN/A
2002PontiacMontana3.4LV6N/A
2001BuickCenturyN/A
2001BuickRegalN/A
2001ChevroletAstro4.3LV6N/A
2001ChevroletAstroN/A
2001ChevroletExpress 1500N/A
2001ChevroletExpress 2500N/A
2001ChevroletExpress 3500N/A
2001ChevroletLuminaN/A
2001ChevroletMonte CarloN/A
2001GMCSafariN/A
2001GMCSavana 1500N/A
2001GMCSavana 2500N/A
2001GMCSavana 3500N/A
2001GMCSonomaN/AElectronic Flasher; 3 Blade Term.
2001OldsmobileSilhouetteN/A
2001PontiacBonnevilleN/A
2001PontiacGrand PrixN/A
2001PontiacMontana3.4LV6N/A
2001SaturnLW200N/A
2001SaturnLW300N/A
2001SaturnSC1N/A
2001SaturnSC2N/A
2001SaturnSLN/A
2001SaturnSL1N/A
2001SaturnSL2N/A
2001SaturnSW2N/A
2000BuickCenturyN/A
2000BuickRegalN/A
2000ChevroletAstro4.3LV6N/A
2000ChevroletAstroN/A
2000ChevroletExpress 1500N/A
2000ChevroletExpress 2500N/A
2000ChevroletExpress 3500N/A
2000ChevroletLuminaN/A
2000ChevroletMonte CarloN/A
2000GMCSafariN/A
2000GMCSavana 1500N/A
2000GMCSavana 2500N/A
2000GMCSavana 3500N/A
2000GMCSonomaN/AElectronic Flasher; 3 Blade Term.
2000OldsmobileSilhouetteN/A
2000PontiacBonnevilleN/A
2000PontiacGrand Prix3.8LV6N/A
2000PontiacGrand PrixN/A
2000PontiacMontana3.4LV6N/A
2000SaturnLW1N/A
2000SaturnLW2N/A
2000SaturnSC1N/A
2000SaturnSC2N/A
2000SaturnSLN/A
2000SaturnSL1N/A
2000SaturnSL2N/A
2000SaturnSW2N/A
1999BuickCenturyN/A
1999BuickRegalN/A
1999ChevroletAstro4.3LV6N/A
1999ChevroletAstroN/A
1999ChevroletExpress 1500N/A
1999ChevroletExpress 2500N/A
1999ChevroletExpress 3500N/A
1999ChevroletLuminaN/A
1999ChevroletMonte CarloN/A
1999GMCSafariN/A
1999GMCSavana 1500N/A
1999GMCSavana 2500N/A
1999GMCSavana 3500N/A
1999OldsmobileSilhouetteN/A
1999PontiacBonnevilleN/AElectronic Flasher; 3 Blade Term.
1999PontiacGrand Prix3.8LV6N/A
1999PontiacGrand PrixN/A
1999PontiacMontana3.4LV6N/A
1999SaturnSC1N/A
1999SaturnSC2N/A
1999SaturnSLN/A
1999SaturnSL1N/A
1999SaturnSL2N/A
1999SaturnSW1N/A
1999SaturnSW2N/A
1998BuickCenturyN/A
1998BuickRegalN/A
1998ChevroletAstro4.3LV6N/A
1998ChevroletAstroN/A
1998ChevroletBlazerN/AElectronic Flasher; 3 Blade Term.
1998ChevroletC1500N/A
1998ChevroletC2500N/A
1998ChevroletC3500N/A
1998ChevroletExpress 1500N/AElectronic Flasher; 3 Blade Term.
1998ChevroletExpress 2500N/AElectronic Flasher; 3 Blade Term.
1998ChevroletExpress 3500N/AElectronic Flasher; 3 Blade Term.
1998ChevroletK1500N/A
1998ChevroletK2500N/A
1998ChevroletK3500N/A
1998ChevroletLuminaN/A
1998ChevroletMonte CarloN/A
1998ChevroletS10N/AElectronic Flasher; 3 Blade Term.
1998GMCC1500N/A
1998GMCC1500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1998GMCC2500N/A
1998GMCC2500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1998GMCC3500N/A
1998GMCK1500N/A
1998GMCK1500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1998GMCK2500N/A
1998GMCK2500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1998GMCK3500N/A
1998GMCSafariN/A
1998GMCSonomaN/AElectronic Flasher; 3 Blade Term.
1998GMCYukonN/AElectronic Flasher; 3 Blade Term.
1998OldsmobileSilhouetteN/A
1998PontiacBonnevilleN/AElectronic Flasher; 3 Blade Term.
1998PontiacGrand Prix3.8LV6N/A
1998PontiacGrand Prix3.1LV6N/A
1998PontiacGrand PrixN/A
1998PontiacTrans Sport3.4LV6N/A
1998SaturnSC1N/A
1998SaturnSC2N/A
1998SaturnSLN/A
1998SaturnSL1N/A
1998SaturnSL2N/A
1998SaturnSW1N/A
1998SaturnSW2N/A
1997BuickCenturyN/A
1997BuickRegalN/A
1997ChevroletAstro4.3LV6N/A
1997ChevroletAstroN/A
1997ChevroletBlazerN/AElectronic Flasher; 3 Blade Term.
1997ChevroletC1500N/A
1997ChevroletC2500N/A
1997ChevroletC3500N/A
1997ChevroletK1500N/A
1997ChevroletK2500N/A
1997ChevroletK3500N/A
1997ChevroletLuminaN/A
1997ChevroletMonte CarloN/A
1997GMCC1500N/A
1997GMCC1500 SuburbanN/A
1997GMCC2500N/A
1997GMCC2500 SuburbanN/A
1997GMCC3500N/A
1997GMCK1500N/A
1997GMCK1500 SuburbanN/A
1997GMCK2500N/A
1997GMCK2500 SuburbanN/A
1997GMCK3500N/A
1997GMCSafariN/A
1997GMCSonomaN/AElectronic Flasher; 3 Blade Term.
1997GMCYukonN/A
1997OldsmobileCutlassN/A
1997OldsmobileCutlass SupremeN/A
1997OldsmobileSilhouetteN/A
1997PontiacBonnevilleN/AElectronic Flasher; 3 Blade Term.
1997PontiacGrand Prix3.1LV6N/A
1997PontiacGrand Prix3.8LV6N/A
1997PontiacTrans Sport3.4LV6N/A
1997SaturnSC1N/A
1997SaturnSC2N/A
1997SaturnSLN/A
1997SaturnSL1N/A
1997SaturnSL2N/A
1997SaturnSW1N/A
1997SaturnSW2N/A
1996ChevroletAstro4.3LV6N/A
1996ChevroletAstroN/A
1996ChevroletBlazerN/AElectronic Flasher; 3 Blade Term.
1996ChevroletC1500N/A
1996ChevroletC1500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1996ChevroletC2500N/A
1996ChevroletC2500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1996ChevroletC3500N/A
1996ChevroletK1500N/A
1996ChevroletK1500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1996ChevroletK2500N/A
1996ChevroletK2500 SuburbanN/AElectronic Flasher; 3 Blade Term.
1996ChevroletK3500N/A
1996ChevroletLuminaN/A
1996ChevroletMonte CarloN/A
1996ChevroletTahoeN/AElectronic Flasher; 3 Blade Term.
1996GMCC1500N/A
1996GMCC1500 SuburbanN/A
1996GMCC2500N/A
1996GMCC2500 SuburbanN/A
1996GMCC3500N/A
1996GMCK1500N/A
1996GMCK1500 SuburbanN/A
1996GMCK2500N/A
1996GMCK2500 SuburbanN/A
1996GMCK3500N/A
1996GMCSafariN/A
1996GMCSonomaN/AElectronic Flasher; 3 Blade Term.
1996GMCYukonN/A
1996SaturnSC1N/A
1996SaturnSC2N/A
1996SaturnSLN/A
1996SaturnSL1N/A
1996SaturnSL2N/A
1996SaturnSW1N/A
1996SaturnSW2N/A
1995ChevroletK1500N/A
1995ChevroletLuminaN/A
1995ChevroletMonte CarloN/AElectronic Flasher
1995GMCK1500N/A
1995GMCSonomaN/AElectronic Flasher; 3 Blade Term.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

124500541R219156-9011EP28FC643FC6533FCA1009FL12FLA112

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.