How To: Determine what Light Bulbs to use*

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Johnny O

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Please note this is based off the 2007 KJ - Yours might vary.
This can help you convert to non-CANbus LEDs if you so desire.
(Remember that up to 07 Toledo used a proper PCI bus on Libertys rather than the propriety and fault prone CANbus)


Also note "base size" is implied to mean "style, type, etc." as that was simpler than having separate columns for all the crazy stuff they do.


IMPORTANT: Where varying sizes are listed, this indicates you should check the service/owner's manual.
If converting to LED look up the wattages for the OE bulbs and make sure your LEDs are EQUAL to or LESSER in power.
Also, wattage does not indicate brightness difference between Incandescent, LED and Halogen bulbs- it indicates how much power is used and therefor also indicates how much heat is generated.
More Power means more Heat.

If switching to brighter halogen bulbs be aware this will create a FIRE HAZARD in your vehicle as the stock housings were not designed for the higher temperatures.
(I have a nice charred hole burned through my rear license plate housing as the previous owner put in a halogen bulb...)

Thou shalt check thine Service Manual and Parts Fiche for the appropriate model year.


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