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| IGNITION COIL 1969 https://ausmini.com/forums/viewtopic.php?f=2&t=101591 |
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| Author: | cooperess [ Sun Nov 13, 2022 3:34 pm ] |
| Post subject: | IGNITION COIL 1969 |
1969 Mini Cooper S Mk2 which is unmodified. I think my ignition coil has packed up. Symptoms are the coil is getting super hot and engine is cutting out. What are the tests I can do to check the coil? What is the type of replacement coil I can get? |
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| Author: | gtogreen1969 [ Sun Nov 13, 2022 4:35 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Check the primary windings by sticking an ohmeter on the + & - terminals. Resistance should be about 3 ohms. The secondary windings are checked by the + terminal and the HT lead outlet. Reading would be around 10k and 15k ohms Overheating can be from a short or loss of cooling oil. There should be a few how to videos on YouTube if you get stuck |
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| Author: | cooperess [ Sun Nov 13, 2022 5:16 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Checked the primary windings by sticking an ohmeter on the + & - terminals. Resistance 0.00 ohms. The secondary windings are checked by the + terminal and the HT lead outlet. Reading is 5.50 ohms No oil loss. |
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| Author: | gtogreen1969 [ Sun Nov 13, 2022 5:25 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
cooperess wrote: Checked the primary windings by sticking an ohmeter on the + & - terminals. Resistance 0.00 ohms. The secondary windings are checked by the + terminal and the HT lead outlet. Reading is 5.50 ohms No oil loss. Chuck it out |
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| Author: | 68+86auto [ Sun Nov 13, 2022 5:45 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
If those measurements are accurate then it is bad for sure. |
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| Author: | cooperess [ Sun Nov 13, 2022 5:48 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Ok = out it goes. Any idea where to get a replacement? |
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| Author: | jaybee [ Sun Nov 13, 2022 6:09 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Almost anywhere you can get one. Only thing you need to know is the voltage it’s designed for and does it use a ballast resistor. |
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| Author: | DavidE [ Sun Nov 13, 2022 6:19 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
cooperess wrote: Ok = out it goes. Any idea where to get a replacement? minisport.com.au/search/?q=coil |
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| Author: | drmini in aust [ Sun Nov 13, 2022 6:23 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Its a Lucas 12H. 3 ohm no resistor. I had a good run with Bosch GT40 instead on my S. |
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| Author: | timmy201 [ Sun Nov 13, 2022 6:41 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
As long as it’s 3ohm with a standard 1969 electrical system it’ll work fine. If you have points it’s worth checking the dwell time (points gap) is correct as this can contribute to the coil overheating Tony at Auto Electrics on Wheels (ausmini “convertible mini”) is always super helpful and quick with post & knows exactly what you’ll need Auto Electrics on Wheels Tel: (07) 5546 9065 Email: [email protected] |
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| Author: | Firefirey [ Mon Nov 14, 2022 3:47 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
drmini in aust wrote: Its a Lucas 12H. 3 ohm no resistor. I had a good run with Bosch GT40 instead on my S. Should that be Lucas HA12 |
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| Author: | drmini in aust [ Mon Nov 14, 2022 4:45 pm ] |
| Post subject: | Re: IGNITION COIL 1969 |
Firefirey wrote: drmini in aust wrote: Its a Lucas 12H. 3 ohm no resistor. I had a good run with Bosch GT40 instead on my S. Should that be Lucas HA12 Yea it is I had a brain fart sorry. |
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