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TOPIC: coil resistance porsche 928 s2 1984

coil resistance porsche 928 s2 1984 20 Aug 2018 09:20 #20579


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just got my new project an unloved 928 s2 1984, just going through the pre start checks and hoping someone can help im after the coil resistance spec
Resistance Ohm (primary.)
Resistance Ohm (secondary.) .

currently mine dont look right
coil 1 Prim 5.9KOhm
sec 0.7 ohm

Coil 2 Prim 7.7 KOhm
Sec 0.6 ohm
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coil resistance porsche 928 s2 1984 30 Aug 2018 21:01 #20580


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The factory workshop manual has excellent diagnostic information. If you do not have it, it can be downloaded at no charge from:

www.ligeti.com/928/

The answer is found at manual page 28-62 (pdf page 244)

Primary Resistance of terminal 1 versus terminal 15: 0.4 to 0.7 Ohm
Secondary Resistance of terminal 1 versus terminal 4: 4 to 8.7 K Ohms
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