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Car Forum / Hyundai Cars / February 2009Conned I think
Bought a "run out" special of a Bosch GT40 coil from local supermarket 'bout a year ago. Being involved heavily with electronics I thought I,d check the thing out against a standard coil to see what they changed. Somewhat surprised I found the primary ( 12 volt side) and the secondary ( ouch side) to have almost identical resistances/inductance to a standard coil!. To have more secondary voltage you either need less turns on the primary or more on the secondary (or both). I,ve got a suspicion the only difference here is the colour of the "sticker". John Sorry, meant this for a VW group. John > Bought a "run out" special of a Bosch GT40 coil from local supermarket > 'bout a year ago. Being involved heavily with electronics I thought I,d [quoted text clipped - 5 lines] > difference here is the colour of the "sticker". > John Unless of course the wire size or core is different. Jeff > Bought a "run out" special of a Bosch GT40 coil from local supermarket 'bout > a year ago. Being involved heavily with electronics I thought I,d check the [quoted text clipped - 5 lines] > the colour of the "sticker". > John Measuring the coil ohms has nothing to do with the power it can provide. The only way you're going to know if something has changed is if you install it and measure the output, the current draw (load), etc... There are several variables you can't measure with an ohm meter.  Signature- Igitur qui desiderat pacem, praeparet bellum. - Calling an illegal alien an "undocumented worker" is like calling a drug dealer an "unlicensed pharmacist" spam999free@rrohio.com (remove 999 for proper email address) Too right, as previous correspondent mentioned resistance could be the same but having more turns of thicker wire.. "In circuit" test showed same primary current and current rise times into primary was all but the same. > Too right, as previous correspondent mentioned resistance could be the same > but having more turns of thicker wire.. "In circuit" test showed same > primary current and current rise times into primary was all but the same. So, it could be More Reliable and provide the same stats. Signature- Igitur qui desiderat pacem, praeparet bellum. - Calling an illegal alien an "undocumented worker" is like calling a drug dealer an "unlicensed pharmacist" spam999free@rrohio.com (remove 999 for proper email address) |
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