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Aftermarket Mustang headlights fitted

Posted: Mon May 23, 2022 7:12 pm
by Rodanderson
Fitted a new pair led aftermarket mustang headlights from Osi4x4 ,working fine with engine off , soon as l start engine after roughly a minute R/H drl cuts out then another minute L/H side drl cut's out including rear tailights on both sides, any one else have this happen? Thxs in advance Rod.
Px2,xlt,techpack,2"lift,ultragauge,evc,H/D t/mission cooler,305/55/20falken at3w

Re: Aftermarket Mustang headlights fitted

Posted: Sun May 29, 2022 7:41 pm
by saeb
Without seeing DTCs then cannot help. Assumption is it is not seeing any load o the circuit or they are HIDs? and overloading the circuit.

If HIDs fit relays if not then try;

Outage Headlamps - Disable
726-26-02
xxxx-xxxx-x0


Outage LowBeam - Disable
726-27-02
xxx0-xxxx-xxxx

Re: Aftermarket Mustang headlights fitted

Posted: Mon May 30, 2022 7:07 am
by Rodanderson
G'day Stewart, thanks mate for that l changed-Freq Sel
726-26-02
xxxx-xxx0-xxxx and is all working fine now thxs rod.

Re: Aftermarket Mustang headlights fitted

Posted: Fri Sep 02, 2022 8:28 pm
by hewymate
This is just the post I’m looking for! Had the same thing happen to my Mustangs but my HIDs both turn off and only one drl turns off, worth trying what u did?

Re: Aftermarket Mustang headlights fitted

Posted: Sat Sep 03, 2022 9:23 pm
by Rodanderson
Hi Hewymate, Yes post above is the asbuilt l changed from saeb's advice & it worked, haven't had a problem since.