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1984 honda prelude no spark

 
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Old 11-10-2014, 06:48 PM
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1984 honda prelude no spark

My 1984 prelude will not start, it has no spark coming out from ignition coil. So far I replaced ignition coil and igniter unit (it's hitachi type).Igniter unit tested bad according to the manual but replacing it didn't fix the problem. Before I order a distributor for it I would like to get an advise. What else can be the problem? Considering the timing belt I checked the distributor rotor and it does turn when cranikng the engine. If the timing belt skipped would it still turn the rotor, should the distributor still produce the spark?? Any help is appreciated. Thanks.
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Old 11-10-2014, 08:41 PM
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Re: 1984 honda prelude no spark

Yes, so long as the belt turns the camshaft, it'll turn the distributor. The timing belt has nothing directly to do with spark, though -- it just connects the camshaft and the crankshaft.

You're still getting no spark from the coil (the wire running from the coil to the distributor -- be careful!), or from the distributor (any one of the spark plug leads)? If the latter, is that for all wires, or just one?
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Old 11-10-2014, 11:42 PM
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Re: 1984 honda prelude no spark

Thanks for the response Jamie. I started for the spark test at one of the plugs first and to eliminate possible bad parts (distributor cap and rotor) I'm checking at the wire that feeds distributor. I guess Distributor doesn't send pulse to the ignition coil.
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Old 11-11-2014, 12:47 AM
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Re: 1984 honda prelude no spark

Other way around. :) For that matter, how old are the wires?
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Old 11-11-2014, 01:42 AM
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Re: 1984 honda prelude no spark

Wires are brand new, but I disagree that it's other way around :) Coil is powered on with battery voltage as soon as you turn the ignition on and then when engine is cranked, distributor sends pulses to the coil triggering secondary winding to produce spark and then spark gets delivered to distributor cap > spark plugs.
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Old 11-13-2014, 09:12 AM
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Re: 1984 honda prelude no spark

k guys i agree with what you guys posted , but you also need to check grounds , especially the engine to frame grounds ,also one more thing if you take out the cap and rotor and check for fraded wires and oil inside .hope that helps .
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Old 02-23-2015, 02:08 PM
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Re: 1984 honda prelude no spark

Here is an update. I replaced the distributor and got the car started.
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Old 02-24-2015, 10:43 AM
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Re: 1984 honda prelude no spark

Right on! Thanks for the update.
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