kevyo89
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| posted on 10/6/19 at 09:33 PM |
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Mx5 Ignition barrel HELP
Hoping someone in this group can help - I'm fitting the ignition barrel from a mk2.5 mx5 1.8 VVT to my car and I'm having difficulties
figuring out what the terminals on the barrel mean (and where my battery live/ignition/starter wires go).
There are the following positions on the key barrel:
- Off
- Accessory
- Ignition on
- Start
Is anyone able to help/advise on where I should position/join my three wires to this barrel?
[Edited on 10/6/19 by kevyo89]
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paulc
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| posted on 11/6/19 at 05:46 PM |
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This is what I concluded with my MX5 ignition switch.
(I'm not sure if its a Mk2 or a Mk2.5 of if theres a difference)
 
Description
I've had the car started so i'm fairly happy its correct
Paul C
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kevyo89
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| posted on 11/6/19 at 05:57 PM |
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quote:
Originally posted by paulc
This is what I concluded with my MX5 ignition switch.
(I'm not sure if its a Mk2 or a Mk2.5 of if theres a difference)
Description
I've had the car started so i'm fairly happy its correct
Paul C
Thank you mate, that's a good help but can you just confirm what that means in terms of wiring position? Where did you connect each wire?
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paulc
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| posted on 11/6/19 at 06:18 PM |
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No worries.
B1, B2 are connected together to a fused 12V feed. (Battery Live)
ACC currently nothing connected, but I'll probably add a USB power socket for my phone/sat nav powered from the connection
IG1 is my switched 12V to everything. (Ignition)
IG2 currently nothing connected. I think on the MX5 its used for things like the rear screen demister
START is connected to the solonoid on the started motor.
Paul C
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kevyo89
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| posted on 11/6/19 at 06:35 PM |
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quote:
Originally posted by paulc
No worries.
B1, B2 are connected together to a fused 12V feed. (Battery Live)
ACC currently nothing connected, but I'll probably add a USB power socket for my phone/sat nav powered from the connection
IG1 is my switched 12V to everything. (Ignition)
IG2 currently nothing connected. I think on the MX5 its used for things like the rear screen demister
START is connected to the solonoid on the started motor.
Paul C
Thanks Paul - and you've not had any issues with it like that so far?
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paulc
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| posted on 11/6/19 at 06:53 PM |
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The car isn't on the road yet.
Ive had the engine running, and checked out all of the electrics so I'm pretty happy with it.
I wasn't sure how much current I could draw through the IG1 terminal so anything that uses a significant ammout of power I've used a
relay.
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miskit
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| posted on 11/6/19 at 11:03 PM |
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Oh and important - see that little connector with the twisty wires in your pic- that's not the key left in alarm - it's the immobiliser
chip reader.
You can guess how I know!
EDIT - just realised you are fitting the MX5 barrel to a car, not the other way round..
[Edited on 11/6/19 by miskit]
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kevyo89
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| posted on 11/6/19 at 11:08 PM |
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quote:
Originally posted by miskit
Oh and important - see that little connector with the twisty wires in your pic- that's not the key left in alarm - it's the immobiliser
chip reader.
You can guess how I know!
EDIT - just realised you are fitting the MX5 barrel to a car, not the other way round..
[Edited on 11/6/19 by miskit]
Yeah mate I had a full custom loom made but wanted to retain the original mx5 ignition barrel mounted to the steering column
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dnmalc
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| posted on 14/10/19 at 05:04 AM |
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You may want to put the radio if fitted on accessories.
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