ss1 headlights

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Post by jeff hoole » Wed Jan 24, 2018 11:56 am

All working but one going up & the other going down :shock: were do I start ?


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Post by philhoward » Wed Jan 24, 2018 12:12 pm

Step 1 is the easy one - the relay which hides down by the motor. MUST be a 5-pin changeover relay.

Step 2 involves the switches of doom inside the motor (actually under the side plate) - fair chance that either the switches and/or the diodes are shot/corroded.

The bible for SS1 headlamp is here: http://www.scimitarweb.co.uk/hosted/phi ... dlamps.pdf


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Post by Roger Pennington » Wed Jan 24, 2018 1:28 pm

If I'm reading your description correctly, and they are both actually running, but in an opposite sense, could it be that the crank arm has been assembled (or has become loose and moved) so that it's 180deg out on the motor shaft?
Presumably, whichever one comes up (and presumably lights?) when you switch them on, must be working correctly. Therefore, by inference, the other one must be the faulty one?

Has it been ok and just started doing it, or has it always been like it (I've lost track of your cars, Jeff - is this a new one? :lol: )


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Post by jeff hoole » Thu Jan 25, 2018 1:38 pm

Thanks Phil/Roger
Have downloaded the Phil Wormald guide.

A bit of history the car was owned by forum member tomtomato then Jim Pace & me, now sold on to a mate of mine. Looking back the lift motors weren't working when tom had the car (headlights wound up all the time)

Fast forward my mate has stripped the seats out to be recovered, all body panels off to be painted & is cracking on checking it over ready for mot. But he needed a hand with the electrics.
So went round yesterday sorted a few broken wires/earth's all the usual stuff & now all working apart from the near side lift motor is up when it should be down :lol:. Then the battery died.

Spoke to him today he's charged the battery up & says one motor is running clockwise & the other anti-clockwise...any ideas ?


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Post by philhoward » Thu Jan 25, 2018 1:56 pm

Well, it’s a DC motor so reversing polarity makes it go backwards. It’s only a 14W (wiper, cooling fan etc) in disguise at the end of the day, with a fancy top end.


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Post by peter freeman » Thu Jan 25, 2018 5:24 pm

Swap around the two wires into the motor itself to reverse the motor direction. I am however surprised that the headlight is up while the other is down as it is a simple crank arm. It could be that the arm is connected 180deg out. Reverse the wires and loosen the nut on the end of the motor and move the arm around until the headlight is down then re-tighten the nut.
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motor nut.jpg
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Post by Alan SS1 » Fri Jan 26, 2018 12:53 pm

I stand to be corrected but direction of motor should NOT matter as the important thing is where the arm stops, I'm with the 180 degrees out fault as that's an easy mistake to make if the motor has been taken out / apart.

and thinking aloud. . . . if the motor has been swapped for a TR7 unit maybe they had the arm mounted differently as they only used the short section of the arc to raise / lower the lights?

reversing wires/ direction would be obvious as some damage / mods obvious to connectors?

is this another SS1 in ABZ area?


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Post by peter freeman » Fri Jan 26, 2018 1:59 pm

The direction of the motor should not matter however if it goes in the wrong direction it stops in a different place so it leaves the headlight up a bit when down and not high enough when its up - which can be adjusted but means extra work - ask me how I know.



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Post by Alan SS1 » Fri Jan 26, 2018 6:46 pm

peter freeman wrote:
Fri Jan 26, 2018 1:59 pm
The direction of the motor should not matter however if it goes in the wrong direction it stops in a different place so it leaves the headlight up a bit when down and not high enough when its up - which can be adjusted but means extra work - ask me how I know.
i'd assumed a wee bit of backlash/stop switch (in)accuracy from wrong direction but fortunately not manged to do this (yet) :wink:


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Post by joscac » Sat Mar 10, 2018 4:52 pm

Hi,

Today the left hand side headlamp of my SS1 1300 decided to pop up and down repeatedly when not switched on. Both headlights function normally when switched on. Any ideas what to check ??



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Post by swoakes » Sat Mar 10, 2018 5:02 pm

Clean all connections, check all earths. Wind lights up and down a few times by hand on the motors.


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Post by joscac » Mon Mar 12, 2018 5:48 am

All was ok on the previous outing. Will check connections.

Thanks very much



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Post by reliant-reviver » Mon Mar 12, 2018 7:13 am

Clean the connections to the right hand headlight motor first. Sounds odd, but a poor connection on this side will prevent the LH lamp from staying down.


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