robinz

After turning my engine off, the headlamps remain on. There is a buzzing noise under the dash that starts after about 30 sec's. Anyone know of a fix for this?

Robin

jeepxjho

Yeah mine does the same if i turn off my headlights before i turn the ignition off the lights will stay on, if i turn the igniton back on then of they go off.

Not sure if thats normal

Stan6406

My 91 has that option if you turn the jeep off first the lights stay on for about 30 seconds. If I turn the lights off first they go off

robinz

I have a little more to go on. The buzzing noise seems to be coming from the headlamp pull-switch on the dash panel. When I start vehicle and pull headlamp switch, all is well. When I shut vehicle off, after about 30 sec's, the buzzing begins and the headlamps don't shut off. Obvious observation would be new headlamp switch? Is the headlamp delay module maybe at fault? Or because of the 30 sec delay still occuring it would rule out any issue with the headlamp delay module? I can't be the first one experiencing this problem, its a 1990. Hopefully the right person reads this post.

Kush

what happens if you turn the lights off first, then turn the jeep off?

this is what my 90 does

mike albo

Your lights staying on is normal if you pull the key then turn them off.The buzz is usually to tell you that you have left them on after you pull the key.On mine I pull my key, turn them off, lock the door the interior light goes out, then about 45 seconds or so my head lights go off.

robinz

Yes, I been driving this for almost 20 years. It did what everyone else's does on a normal day. It is no longer behaving like a normal day. I'm going to pick up a new headlamp switch and see what that gets me.

Firestorm500

X2. Thats exactly how they are supposed to work if your Jeep has the optional headlamp delay option.

This lets you get in your house while you can see to do so.

robinz

This issue is not the classic "headlamp delay option". Headlamps constantly on and a loud buzzing noise when parked and off is not a option I wish to have. I'm going to get my switch now and I'll report back tomorrow and how it turned out.

Firestorm500

Thanks for the clarification. You did not specifically describe the problem in the original post in that manner.

Your original description sounded just like the headlamp delay mode.

Good luck in changing out the switch. Keep us updated.

robinz

Replaced switch. No fix. Although, discovered module right next to switch is unit making the buzzing noise. I suspect this is the "headlamp delay module". See pic. Can anyone confirm.

robinz

I replaced the headlamp switch, disconnected the headlamp delay relay, still the lights remain on, long after the vehicle has been shut off. I'm leaning toward disconnecting the daytime running light module (DLR). Anyone know on how to bypass the DLR?

Steelcityfan29

Mine is an 88 and i have this issue... <shrug> I thought it might be my ignition switch?

robinz

I'm told the Daytime Running Light module is located on the passenger side engine compartment. I'm trying to locate and am assuming it is under the coolant bottle reservoir ledge. There's a mess of stuff under that ledge. Can anyone describe the module?

robinz

I found it!! I disconnected it. All is well. FYI; my connector has two rows of 4 pins. Thanks all for trying to help.