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Jan 24, 2012 21:41:10 GMT
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Do you just have the relay wired up incorrectly? Using the "normally closed" contact instead of tyhe "normally open" Pin 86a instead of pin 86. This would have the effect of turning the fan off when the switch is on. That actually makes a lot of sense! I have the switch, and the thermostat both connected to 85 though. It is a 4 pin relay, so in effect, I don't have an 87A. Exactly as the wiring diagram at the bottom of this link www.trdrivers.com/fan.html |
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Jan 24, 2012 17:56:28 GMT
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Thanks for the responses guys. I'm sure the right way forward is in there somewhere, I just can't work it out.
So, to confirm, what is achievable by swapping the wires to the different switch terminals -
1) The LED on the switch alights when the switch is off. The switch can turn the fan on or off fine.
2) The LED on the switch does not alight when the switch is in either position. The switch can turn the fan or off fine.
In both situations, the thermostat also controls the fan fine.
In both situations the independent 'fan on' dashboard light comes on only when the fan is on as intended.
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Last Edit: Jan 24, 2012 17:57:17 GMT by alolympic
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Jan 23, 2012 23:21:26 GMT
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Please please please let the planets align so I can make it to this!
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Jan 23, 2012 21:48:12 GMT
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You don't get much better than that!
Can we get him to RRG 12 you think?
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Jan 23, 2012 13:27:06 GMT
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The only explanation is that the switch is reversed, I.e. LED before the switch. TBH using the LED switch to switch to ground probably isn't the best route, as there will be voltage from the relay coil. Use a non illuminated switch, or a parallel relay for the always on function with the LED switch before the relay. Not that this explains why swapping connections doesn't at least change things.... Mark Cool, thanks. Swapping connections DOES change things, I am just saying that whatever combination of connections to the switch, I don't get the right result. I'm still confused I'm sorry.......I give up |
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Jan 23, 2012 13:04:51 GMT
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What you have then is this, the linked diagram but with a bit more detail and your LED switch,  Try swapping the wires round on the switch. I would think it would also be a good idea to include an indicator to show when the fan is running as in the original diagram. Relay pin-outs from Vehicle Wiring Products catalogue, well worth getting if only as a reference. Hope this helps. I ahve tried the wires in every combination on the switch, I still can't get the correct result. I already have the 'fan on' light as mentioned above. That is working fine. Thanks, still at a loss though. It is not which wires are going to which terminal on the switch, more, am I connecting the switch to the correct thing. |
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Jan 23, 2012 13:01:57 GMT
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Love them both, very cool choices.
I think the Marcos may need slightly bigger wheels though, they're kinda lost in the arches ;D
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Jan 23, 2012 12:09:02 GMT
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When you say relay, is this the relay already installed as part of the elctric fan kit, or a new "over ride" relay? What you should have is, 12v - switch - relay (coil) - earth It's a new relay that I have installed. I have basically copied this guys set up - there is a wiring diagram at the bottom of the page - www.trdrivers.com/fan.htmlThe only difference with mine is that I am using an LED toggle switch, instead of a standard one. So, I have a separate Fan On light - which illuminates whenever the fan is on (working fine). I want the LED light on the toggle switch to be illuminated only when the manual override is on. This is the problem. |
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Jan 23, 2012 10:54:18 GMT
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I did the same, for the same purpose. I'm curse word at electrics but this sorted me out, I used the type at left. HTH-  Pic courtesy of S2 Landy club Thanks. That is exactly what I have tried, but the LED is only On when the switch is off. I think the problem may be the relay side. The switch works, but because the switch is connected to the relay, and in effect the circuit is complete even when the switch is off? Anyway, not critical, it is working, I have just wired it so the LED doesn't come on. |
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Jan 22, 2012 21:17:04 GMT
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Do more maths.
I've recently considered trading in my daily car for a more economical one and when I actually played around with the numbers it was worth me keeping my car because the outlay for a different one wouldn't be paid back until I did a good few years of mileage.
Keep both until you are really sure what you want
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Jan 21, 2012 21:39:45 GMT
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Ok, need your help. I'm sure this is simple, but it seems not simple enough for me....
I am using an LED toggle switch as a manual override for the electric fan.
I have so far got the switch wired up correctly to switch the fan on and off independent of the thermostat control.
Where I am struggling is getting the switch to light up when it is switched on.
So far, the switch light comes on when the switch is in the 'Off' position - the exact opposite of what I want.
There are 3 terminals on the back of the switch.
I am currently connecting 1 to earth, 1 to the fuse box and the last to the relay.
Where am I going wrong?
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Last Edit: Jan 21, 2012 22:17:04 GMT by alolympic
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Jan 19, 2012 16:43:03 GMT
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The roof chop looks better in profile definitely. You only have to look at a Mini Sprite to see how a small thing can make such a difference. I would say it's probably a lot of work for something that has no real engineering advantage.
Would I do it? hell yeah
You want to and that is in reason enough, and everytime you look at the car, you will know that you went the extra mile.
I'm sure you have gone down the route of fitting the thinnest bucket seat, that will mount direct to the floor? On the 2nd CAD Mock up, that looks like a fairly chunky seat. A Tillet type seat would give you the most room possible.
Sorry I can't help with any measurements. Maybe if you can get hold of an owner of a Lotus Europa, that is a fairly compromising cabin!
Nice CAD Drawings by the way!!
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Jan 19, 2012 15:03:56 GMT
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Loving this! Thanks for posting.
Great luck with that shell, and I actually like that roof - maybe unsurprisingly.
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Jan 18, 2012 23:31:36 GMT
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This is exactly what I have done in the Triumph, very similar to the others. Vibe Lite 4 channel amp mounted out of site, under passenger side glove compartment. Mounted on bespoke brackets to ensure some air flow around the amp. 2 Speakers mounted in kick panels - no way of avoiding securely fixing speakers I don't think Phono lead connected to Line In on Amp, routed through existing hole in dash, where you can then plug your Phone/MP3 player through the headphone socket. Toggle switch to power amp. Only thing missing so far has been an in car charger for the phone to keep the tunes alive, and no cigarette lighter, and didn't want to fit one either because they are clumsy with a charger in. Which is why I ordered this yesterday - www.windingroads.co.uk/shop/product.php/402/motorcycle-usb-charging-socket/557e5039d37ae4f77cfd4cdc14957344 In this pic you can see one of the speakers, the toggle switch next to the heater above the centre tunnel and the phono lead hanging down (which I hadn't fed back through that time) Amp completely out of site. |
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BRAKE PRESSURE TESTING MAYBE !!!!!!!!!! RR has no place for sarcasm when somebody asks a perfectly reasonable question - be nice |
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That's a cool device! Thanks for sharing the picture. What do you use it for?It'll be used to check the pressure that is being seen at the brake calipers. As part of diagnosing problems with your brakes, it's a good place to check. If I remember correctly they say you need to be seeing at least 1100psi at the caliper when the brake pedal is under pressure. |
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thunderbirds are go! don't know if this was T5 or D5 but went ok!  That Volvo passed me on Friday on the way up the M5 as I was heading for Brizzle, in convoy with another modded one. Well now I know  Based on the wheels and the front grille it's an S60R, it should go well even as standard |
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Jan 13, 2012 13:56:15 GMT
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Love the 4 door.
I'm sure that car was for sale about the time I bought my Toledo, was sold as a show car, still looks solid.
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Nice! Although I have always thought that the Original wheels fitted to these cars are absolutely spot on for the car.......
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Jan 10, 2012 13:00:02 GMT
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Astounded at the money spent on the featured E21.
Lovely car, but after all that, it's still a 1.6 E21. £3k on air, rather than an serious engine conversion. Proves we are all different though....
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