VolvoElectrical Parts

HHP70733W01 — 12-Pin Turn Signal Switch 82406821 1Mr587Am For Kenworth Mack Volvo

This is a 12-Pin Turn Signal Switch, a critical component for controlling vehicle lighting signals for turns and hazard warnings. It is built to meet rigorous quality standards, ensuring reliable electrical connections and smooth operation, unlike a worn switch that may cause intermittent or non-functional signals. Operators may observe that turn signals do not activate, flash erratically, or the hazard lights fail to engage when this switch is malfunctioning.

12-Pin Turn Signal Switch 82406821 1Mr587Am For Kenworth Mack Volvo – Part No HHP70733W01 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryElectrical Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeTurn Signal and Hazard Switch
MaterialDurable plastic and metal contacts
ApplicationVehicle lighting control
Service LifeReplace every 4,000 hrs or 4 years
CompatibilityKenworth, Mack, Volvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most common symptom of a failing turn signal switch is the erratic or complete failure of turn signals or hazard lights. If the issue progresses, the switch may become unreliable, leading to inconsistent signaling and potential safety risks. A complete failure of the switch can leave the vehicle unable to signal its intentions to other road users.

Installation Tip

Carefully disconnect the electrical connector to avoid damaging the pins or the wiring harness. Ensure the new switch clicks securely into place within the dashboard mounting.

Service Note

Inspect the turn signal bulbs and flasher unit for proper operation when replacing the turn signal switch.