Head lights will not go on just was working - Honda 2006 FourTrax Recon ES

if close to head, gas adj, if on air box(filter) side of carb then air mix screw is normal 1 1/2 turns from lightly seated should get started then adj from there

You will need to replace the head gasket. Tightening the head will not work once the oil has found a path to leak out.

If no bad fuses or relays, it has to be a plug or bad wire. take all plugs apart and reconnect.

Find someone with an electric meter, and start with the headlight switch.
Take that apart, and see if there is any electricity getting to the switch.
If there is, then check and see if there is electricity flowing to the headlight from the wire connection on the headlight switch.
If there is, take a jumper wire to the headlight from the headlight switch, to test the wire in the harness.
Be sure, also that the ground wire from the headlight to the ground is good, as a bad ground wire will not allow the light to work.
God bless your efforts.

no headlights or brake light - Honda TRX Forum

www.trxforums.com > ... > Maintenance / Important Information

Nov 4, 2013 - no headlights or brake light ... EDIT: It's a 1993 trx 300 fourtrax 2wd ...Ok, so I got a hold of a circuit tester and found I don't have any power ... Join Date: Jan 2011 ... Your indicator lights work when the GROUND side of the light is ... For the head and tail lights; the black wire is connected to the brown wire at ...

Accessory Lights and tail light questions - Honda ATV Forum

www.hondaatvforums.net > ... > Honda FourTrax

Apr 13, 2011 - 9 posts - ‎1 author
04-12-2011, 08:17 PM ... Also is there an adapter that would run all four lights off that one ... I don't know which wire you need to hook them to on your socket. ... I think a trailer type plug will work at each individual light termination..thanks for helping ... The trailer lights you have probably have both taillights and brake lights. New To Me - 1989 TRX350??
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Hi:
Check the electrical circuit for broken wires or non-functioning parts. Light switch working? Light bulbs OK? If there is electricity and the bulbs are OK, they will work. Time and tester and you'll solve it!

If the bulbs are blown,change the voltage reg.

do you have a good ground ???

Modual probably gone

Check head light switch