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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Hyper flash

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Old Oct 24, 2025 | 06:35 PM
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Default Hyper flash

I have hyper flash on both blinkers , no lights are blown but when i turn on hazards it does turn back to normal . i have original headlights so not leds .

Help pls
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Old Oct 24, 2025 | 07:16 PM
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Originally Posted by vnmtscoat
I have hyper flash on both blinkers , no lights are blown but when i turn on hazards it does turn back to normal . i have original headlights so not leds .

Help pls
check cables and connections at battery (clean / tight), have battery and alternator tested and codes read (free at parts store), and check grounds (start with the ones behind kick panels for driver and passenger outside foot).

post back with findings

edit/add: provide details of any aftermarket wiring/access or LED bulbs (beyond headlights)

Last edited by laterongc; Oct 24, 2025 at 07:18 PM.
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Old Oct 24, 2025 | 09:12 PM
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What vee hickle are we working with OP?
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Old Oct 25, 2025 | 05:48 AM
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Replace the flasher relay
Verify the right bulbs are in the sockets
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Old Oct 27, 2025 | 05:50 AM
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check third brake light. aka the high mount.
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Old Nov 15, 2025 | 12:46 AM
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figured it out when i installed new headlights , there was leds turning signals installed . as soon as i put regular ones in it completely went away . thank you everyone who contributed
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