Replacement Lamp (part #s) P936-45-12VW and P936-45-24VW Tail Light with Beacon (Combination) for your Grimes or other incandescent tail light unit. Simply remove your current Incandescent lamp and replace it with the combination LED lamp and upgrade to LED’s and add a Beacon at the same time. Completely self-contained with no modifications required. This combination unit will save you 2 Amps as it draws less than .2 Amps. No RFI, Runs cooler and longer, NON-PMA