Lotus Elan

Smart motorways and hazard flashers.

PostPost by: William2 » Fri Jan 31, 2020 1:55 pm

Smart motorways have been in the press a lot recently. Most organizations (the AA, etc) have condemned them as death traps and totally unfit for purpose. It got me thinking that I wouldn't want to break down in my Elan on a stretch of smart motorway let alone a modern more crash resistant car. I was thinking that as the Elans don't have hazard flashers fitted (mine is an S4) has anyone incorporated this feature into their car and if so is it straightforward? At least this would help to warn other drivers that you have broken down.
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PostPost by: billwill » Fri Jan 31, 2020 2:54 pm

My 1967 S3 coupe had hazard flashers installed when I bought it ( 1969).
I think the flashers were probably installed by the dealer. originally.

It's not difficult to do though I don't think the wiring is shown on the diagram. Basically a switch an emergency-flasher can and various wires.

Sorry, I don't have a circuit diagram on hand.
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PostPost by: gav » Fri Jan 31, 2020 2:55 pm

Unhelpful I realise but I do have hazards but I don't know how they were wired because I got an auto electrician to do it while we were making the loom.
I do recall that it wasn’t difficult and suspect that if you are prepared to run a separate mini loom for the hazard wiring until the dash is next out it shouldn’t be too challenging.
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PostPost by: trw99 » Fri Jan 31, 2020 4:53 pm

Federal and some other market Elans had them factory fitted from around 1970 onwards. The wiring diagram must show them, I would have thought; unable to check at the moment.

They had the usual flat switch located centrally on the bottom row below the ashtray.

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PostPost by: oldelanman » Fri Jan 31, 2020 6:06 pm

William,
The hazard circuit is shown on the S4 wiring diagram in the workshop manual. If your loom is original you should find the wiring is already present.. it was on my S4 anyway... so it's just a question of fitting a suitable flasher unit, switch and warning lamp (my loom already had the bulb holder attached). The switch on some cars was I believe just a simple slide type identical to the anti-theft item in the glove box and was located on the bonnet pull bracket below the dash.
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PostPost by: pharriso » Fri Jan 31, 2020 6:08 pm

trw99 wrote:Federal and some other market Elans had them factory fitted from around 1970 onwards. The wiring diagram must show them, I would have thought; unable to check at the moment.

They had the usual flat switch located centrally on the bottom row below the ashtray.

Tim


Yes we did, but we also have the rediculous DB10 Relay to stop the Brake Lights & indicators from cross powering each other.

My car has been modified back to "normal" seperate Brake & Indicator bulbs but retains hazard switch, but not sure how they achieved that :roll:
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PostPost by: webbslinger » Fri Jan 31, 2020 6:24 pm

My 69 Federal S4 has hazard flashers. Several years ago I rewired the dash with a new harness from British Wiring and it had the all the extra wires.
Attached is a picture of part of the wiring diagram out of the S4 manual.
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15804949908877795604641945473181.jpg and
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PostPost by: LaikaTheDog » Fri Jan 31, 2020 8:03 pm

Avoid the motorways... better driving
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PostPost by: mbell » Fri Jan 31, 2020 8:53 pm

LaikaTheDog wrote:Avoid the motorways... better driving


I agree, personally I very much avoid the highways here. An Elan/+2 basically has no crash protection versus a modern heavy car and any kind of highspeed impact puts you at serious risk. (Further increased here by vehicle size and the lack of any level of driving standards... )
'73 +2 130/5 RHD, now on the road and very slowly rolling though a "restoration"
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PostPost by: The Veg » Fri Jan 31, 2020 9:17 pm

pharriso wrote:
trw99 wrote:Federal and some other market Elans had them factory fitted from around 1970 onwards. The wiring diagram must show them, I would have thought; unable to check at the moment.

They had the usual flat switch located centrally on the bottom row below the ashtray.

Tim


Yes we did, but we also have the rediculous DB10 Relay to stop the Brake Lights & indicators from cross powering each other.

My car has been modified back to "normal" seperate Brake & Indicator bulbs but retains hazard switch, but not sure how they achieved that :roll:


My '70 Plus 2 has factory hazards but no DB10.
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PostPost by: nmauduit » Fri Jan 31, 2020 10:22 pm

William2 wrote: I was thinking that as the Elans don't have hazard flashers fitted (mine is an S4) has anyone incorporated this feature into their car and if so is it straightforward? At least this would help to warn other drivers that you have broken down.


I retrofitted a hazard switch on my '68 Fed. s4se, iirc I just implemented that from seeing the manual (cf. below) and I don't recall much of it, must have gotten it to work rather quickly - the hardest being to source the switch ( was on some Europas as well, but I guess one could modify a double inverter)

Image

https://lotuselan.net/forums/viewtopic.php?f=38&t=37156&start=

Only one thing : in order to have the hazard lights flashing on (i.e. both sides blinking) in my car one needs to engage the hazard switch and the turn indicator (one way or the other - in the center position nothing blinks) - so I probably did not do as per the manual (to save one flasher unit ? )... must have done more something like

Image

but works good enough for me.
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PostPost by: Slowtus » Sat Feb 01, 2020 12:23 am

Smart everythings, cars, phones, motorways...the list goes on.

The unfortunate corollary to this is that the average motorist (most average moronists are actually well below average) has become dedumbed by all of the "systems" with all these smart things and no longer pays sufficient attention as they drive (see smart phone reference above) and since most of the drivers were actually just "steerers" to begin with...

My first Lotus was an Elan (S2) and while I have had many other Lotus over the years, I doubt that I will ever go back to an Elan, given that your average family living room disguised as an SUV and driven by some yakky distracted airbrain will never see me on the road in such a car.

Assuming that they actually "see" other cars around, these days that is handled by systems which beep and flash...and which will NEVER see such a small car.
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PostPost by: wotsisname » Sat Feb 01, 2020 9:00 am

I'd suggest looking at this catalogue. pdf download is available.
https://www.carbuilder.com/uk/CatalogueRequest p120 or there abouts.
The main problems can be whether your flasher relay is suitable or you need a second.. if you have LED bulbs is also a factor
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PostPost by: billwill » Sat Feb 01, 2020 6:01 pm

Image

Notice the cunning system for the turn-indicator warning light in this circuit, the current for the indicator light is actually grounded through the filaments of the 'other-side' indicator lamps.

Fiendish trickery :shock:
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36/6725 S3 Coupe OGU108E Yellow over Black.
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PostPost by: RichC » Sun Feb 02, 2020 6:36 am

On ebay there are some really cheap options for led hazard flashing lights . probably more attention grabbing than the filament bulbs behind the rear lenses !
i imagine popping these on the rear parcel shelf in an emergency would do the trick without all the hassle of rewiring and at a fraction of the cost.
it's not like you'll be needing to use them very often 8)
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