DRLs are a problem with aftermarket headlight upgrades.
Ford (Canadian versions) has a 8 volt feed when the headlights are off and vehicle is in drive or reverse. This gives you about 60% brightness when driving.
Many HID and LED's have optional modules to make DRLs work better, the cheaper ones usually just don't have the DRL function working.
Headlight flicker on DRL equipped vehicles when headlights are off is a sign of incompatible units.
Geoff
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Geoff, Francesca and Lucy the Golden holy terror (I mean retriever, BD Nov. 2018)
2023 F150 Screw, 3.5L, HDPP, LT tyres.
2013 Rockwood Signature 8310SS
2023 F150 Lariat 502A (After all rebates, price protection and dealer discounts, I saved $12,600Cdn. (Cavalcade Ford). If pays to shop dealers! (April 2023)
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