XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Headlight switch operation

Old 06-12-2019, 06:26 AM
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Default Headlight switch operation

I have a 94 XJS convertible and have just replaced the headlight control module. Now the only way to make the high beams stay on is by holding the turn signal stalk towards me. I thought it used to push away from me to make the high beams come on. This car is new to me and has been broken more than not so I havnt driven it much. Could someone clarify the correct operation of the headlight lever to make the high beams function normally. Thanks in advance.
Old 06-12-2019, 05:44 PM
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Welcome to the forums Stang066,

I've moved your question from General Tech Help to XJS forum. Members here with the same model will be able to help.

Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some information about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.

Old 06-12-2019, 08:25 PM
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Default headlight switch operation

Hi , firstly i have to say my xjs is a 77 and may not be the same as your 94 but anyway in my car :- Headlights will be dipped when first turning on your head lights a single pull towards yourself will put it on main beam a second pull towards you will put the lights back onto dipped , hope this helps .
Old 06-13-2019, 02:00 AM
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Hi Stang

You do need to have the Headlights Switched on before you can use the Lever for Main or Dipped Beam though not for the Headlamp Flash

Just wondering if you are doing that?
Old 06-13-2019, 04:33 AM
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Default Headlight switch operation

This XJS is the facelifted version and my headlights are visible all the time. On the stalk there is a switch that I move from left to right to turn on the lights. Then I have to pull the turn signal lever toward me to activate the high beams but when I release it the high beams turn off and just the low beams are on. I thought I used to push the blinker stalk away from me to make the high beams come on and stay on but I canít remember and now if I try that it feels like Iím going to break something and it doesnít move away from me.
Old 06-13-2019, 05:53 AM
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I don’t have a facelift car. On my HEs you pull the stalk towards you. I suspect that action was retained regardless of any changes in mechanical or electrical implementation.

Here, on HEs, High beams are held on by a locking relay. This relay mechanically toggles into a new position when powered. Pulling the stalk towards yourself should flip the high beams state; on to off or off to on. If if something continuously holds this stalk switch closed and supplies voltage to the locking relay for too long it can burn out its coil. No more toggle, but you will still get high beams when pulling the stalk. Coil damage is not repairable. The high beam headlight relay in my 80s cars are Hella brand and the size of two regular relays side-by-side in an aluminum case.
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