Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Turn ON the hazard switch.

Do the hazard lamps flash?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Disconnect the hazard switch.
2. Connect a fused jumper wire between the hazard signal circuit and a good ground.

Do the hazard lamps flash?

Go to Step 4

Go to Step 7

Connect a fused jumper wire between the hazard signal circuit and the ground circuit of the hazard switch.

Do the hazard lamps flash?

Go to Step 5

Go to Step 10

Inspect for poor connections at the hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 6

Replace the hazard switch assembly. Refer to Hazard Warning Switch Replacement .

Did you complete the replacement?

Go to Step 11

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Test the hazard signal circuit for an open between the hazard switch and the turn/hazard flasher module. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 8

Inspect for poor connections at the turn/hazard flasher module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 9

Replace the turn/hazard flasher module. Refer to Hazard and Turn Signal Flasher Replacement .

Did you complete the replacement?

Go to Step 11

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Repair the open in the ground circuit of the hazard switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 11

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2