Alternator Wiring
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#1 Alternator Wiring
Hi Gents,
I have an alternator with built-in regulator (ACR) fitted to my Series 1 4.2 OTS. Also, I have a Battery Voltage gauge fitted instead of the Ammeter.
Can any kind owner help me out with how these two units are wired into my new Autosparks loom. Autosparks supplied an Alternator Wiring Harness with their "kit" but all wiring diagrams I have found show how the alternator is wired using a separate regulator - none show how to wire it where the regulator is integral to the alternator itself.
Your wise advice and guidance would be most welcome.
Many thanks and kind regards,
George
I have an alternator with built-in regulator (ACR) fitted to my Series 1 4.2 OTS. Also, I have a Battery Voltage gauge fitted instead of the Ammeter.
Can any kind owner help me out with how these two units are wired into my new Autosparks loom. Autosparks supplied an Alternator Wiring Harness with their "kit" but all wiring diagrams I have found show how the alternator is wired using a separate regulator - none show how to wire it where the regulator is integral to the alternator itself.
Your wise advice and guidance would be most welcome.
Many thanks and kind regards,
George
1967 Series 1 OTS
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#2 Re: Alternator Wiring
It'll be wired exactly the same way as on any normal car.
There will be a very thick (capable of 60amps or more) wire to the battery, perhaps via the terminal (distribution) post. Make sure the alternator and battery eyelets are right next to each other and not on separate sides of the bolt. (Make sure the starter motor eyelet is next to the battery eyelet also.)
There will be an earth strap (also capable of 60amps) to the chassis or frame.
There will be a single wire to the red ignition light on the dash. The other side of this will be a white wire direct to the ignition switch.
Take a look at a s3 wiring diagram and collapse the alternator and regulator into one item and you get the idea.
kind regards
Marek
There will be a very thick (capable of 60amps or more) wire to the battery, perhaps via the terminal (distribution) post. Make sure the alternator and battery eyelets are right next to each other and not on separate sides of the bolt. (Make sure the starter motor eyelet is next to the battery eyelet also.)
There will be an earth strap (also capable of 60amps) to the chassis or frame.
There will be a single wire to the red ignition light on the dash. The other side of this will be a white wire direct to the ignition switch.
Take a look at a s3 wiring diagram and collapse the alternator and regulator into one item and you get the idea.
kind regards
Marek
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#3 Re: Alternator Wiring
Hi Merek,
Many thanks for your very speedy reply.
I'll look for a S3 wiring diagram and try to work from there.
Thanks so much
Kind regards,
George
Many thanks for your very speedy reply.
I'll look for a S3 wiring diagram and try to work from there.
Thanks so much
Kind regards,
George
1967 Series 1 OTS
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#4 Re: Alternator Wiring
Hi Merek,
Just downloaded a S3 wiring diagram and regretfully, not only does the wiring of the alternator show a separate regulator but also an ignition warning light switch which was deleted from the early S1 !
I'll keep trying anyway and hopefully a forum member will be able to give me a wiring diagram for me to follow.
Thanks again,
George
Just downloaded a S3 wiring diagram and regretfully, not only does the wiring of the alternator show a separate regulator but also an ignition warning light switch which was deleted from the early S1 !
I'll keep trying anyway and hopefully a forum member will be able to give me a wiring diagram for me to follow.
Thanks again,
George
1967 Series 1 OTS
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#5 Re: Alternator Wiring
David Jones
S1 OTS OSB; S1 FHC ODB
1997 Porsche 911 Guards Red
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
S1 OTS OSB; S1 FHC ODB
1997 Porsche 911 Guards Red
Add your E-Type to our World Map: http://forum.etypeuk.com/viewtopic.php?f=1&t=1810
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#6 Re: Alternator Wiring
Hi David and many thanks for replying.
I have posted a picture of my alternator showing the connections available. Can you assist further in how I should connect this up and which wires go where?
Also, I will fit a Battery Voltage gauge instead of the Ammeter. Am I right in saying that all I need to do regards the Ammeter wires is just connect them together/
I look forward to your valuable comments.
Kindest regards,
George
I have posted a picture of my alternator showing the connections available. Can you assist further in how I should connect this up and which wires go where?
Also, I will fit a Battery Voltage gauge instead of the Ammeter. Am I right in saying that all I need to do regards the Ammeter wires is just connect them together/
I look forward to your valuable comments.
Kindest regards,
George
1967 Series 1 OTS
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#7 Re: Alternator Wiring
Hi, I can’t help you with the alternator wiring as mine was done buy a specialist. I did the voltmeter conversion and yes you disconnect the wires from the ammeter and connect them safely together taking care to properly insulate that junction. Then just connect the voltmeter to a switched 12V supply and a ground. You can either use a Smiths or Lucas one, I used a Smiths using the glass and bezel from the original ammeter. Hope this helps.
Danny
1962 S1 3.8 FHC (1012/1798)
2015 Range Rover Sport SVR
"Experience is something you don't get until just after you need it."
1962 S1 3.8 FHC (1012/1798)
2015 Range Rover Sport SVR
"Experience is something you don't get until just after you need it."
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#8 Re: Alternator Wiring
Hi Danny,
Great help -
That's one issue done ....... now to continue with the alternator debacle
Many thanks Danny,
Yours aye,
George
Great help -
That's one issue done ....... now to continue with the alternator debacle
Many thanks Danny,
Yours aye,
George
1967 Series 1 OTS
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#9 Re: Alternator Wiring
Plenty of info here for a bosch conversion....Steve https://www.coolcatcorp.com/faqs/LucasBosch.html
Steve
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
69 S2 2+2 (just sold) ..Realm C type replica, 1960 xk150fhc
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Topic author - Posts: 115
- Joined: Mon Apr 07, 2014 4:34 pm
- Location: Hillsborough, Northern Ireland
#10 Re: Alternator Wiring
Hi Steve,
Brilliant topic and all well explained. I have downloaded the article and printed out the wiring diagrams. Very, very useful thank you.
Kindest regards,
George
Brilliant topic and all well explained. I have downloaded the article and printed out the wiring diagrams. Very, very useful thank you.
Kindest regards,
George
1967 Series 1 OTS
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