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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Underhood light

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Old Oct 10, 2019 | 01:27 PM
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FranklinF150's Avatar
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Default Underhood light

2003 4x2 Lariat Supercab

Does the on/off function for the underhood light come from the bulb itself or the base, perhaps a mercury switch? I’m thinking about adding more lighting and want to have them work the same way.

thanks!
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Old Oct 10, 2019 | 04:13 PM
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mercury switch in the socket. I changed my bulb to led
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Old Oct 13, 2019 | 10:33 PM
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Originally Posted by FranklinF150
2003 4x2 Lariat Supercab

Does the on/off function for the underhood light come from the bulb itself or the base, perhaps a mercury switch? I’m thinking about adding more lighting and want to have them work the same way.

thanks!
Just go with the LED. Amazon has 4 packs of 1200 Lumen 912/921 for $10. Going to get set and put 3 in cargo bed lights and 1 in engine compartment. I will give pics and update. Going to post the pics of the cab LED i just installed today, amazing light.
these look pretty good.
https://www.amazon.com/Bright-Lumens-Backup-Reverse-Lights/dp/B07D7823TM/ref=sr_1_5?crid=215KQBR4PCIZW&keywords=912+led+bulb&qid=1571018233&sprefix=912+led+bulb%2Caps%2C206&sr=8-5 https://www.amazon.com/Bright-Lumens-Backup-Reverse-Lights/dp/B07D7823TM/ref=sr_1_5?crid=215KQBR4PCIZW&keywords=912+led+bulb&qid=1571018233&sprefix=912+led+bulb%2Caps%2C206&sr=8-5
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