Ford Bronco Zone Early Bronco Classic FullSize Broncos: 79 Bronco w/ Mercury 429 engine, NO SPARK - Ford Bronco Zone Early Bronco Classic FullSize Broncos

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79 Bronco w/ Mercury 429 engine, NO SPARK

#1 User is offline   Corbin11 

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Posted 20 October 2008 - 08:38 AM

Just like the topic says, I was driving my truck around yesterday, and today it would not start. I pulled out three plugs and grounded them against the block to see if I had spark. The plugs were pretty wet, but had no spark when the engine cranks over.

I just bought the truck a month ago, and have not bought a service manual for it yet.

Any places I should check that would kill spark on all cylinders?

Bronco recently had a mildly built 429 installed in it. I do not know if the ignition system was swapped over from the orignial 400 that was in the truck, or if it is even compatible.

Any input is greatly appreciated. The weather is perfect right now here in Phoenix, and I'd love to be driving the Bronco around.
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#2 User is offline   Corbin11 

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Posted 20 October 2008 - 06:35 PM

Am I doing this wrong? This is my second post, and I have had a bunch of views, and no replys.

What gives?
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#3 User is offline   Yardape 

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Posted 20 October 2008 - 06:36 PM

What gives? this is a free site, not a factory ford tech line. Its all guys just like you that share info.
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#4 User is offline   Yardape 

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Posted 20 October 2008 - 06:38 PM

If you dont know what you have how can anyone on here help you over the internet. Your first step is find out what you have for an ignition box. What did it come off of.
89 fullsize with 95 front end swap.
460 C6 D60 front, 10.25 rear 4.10 gears
3 inch body lift, 4.5 inch lift from 1 ton swap.
Lund Moonvisor
Korupt Kittens antenna dancer.

93 F350 4door 4wd 7.3 diesel huge beast of a truck

84 F150 351 H.O. C6 2wd (the parts getter)

'03 Expedition 5.4
BFG All Terrains

Always updating so check back heres a link to my superford.org
Superford.org

My Gallery
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#5 User is offline   Corbin11 

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Posted 20 October 2008 - 08:29 PM

I understand this is a free site. I practically moderated a "Help me fix it" section on Sportbikes.net for a long while, and I tried to be there to answer questions the best I could, as motorcycles and ATV's are my area of expertise.

I don't know a whole lot about my truck, as I just bought it. That's why I joined this website, so I could get some helpful pointers, as well as being able to help others when I can.

Anyway, it looks to be a stock duraspark ignition box, with a stock looking distributor.
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#6 User is offline   Seabronc 

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Posted 21 October 2008 - 03:14 AM

Does it look something like the one below? If so here is a Duraspark II diagram The problem could be either the ignition module or the pickup coil in the distributor. Also attached is a troubleshooting procedure for a Duraspark II system.

Good luck,

:)>-

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Fred

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1978 Saginaw Pump V-Belt Power Steering;
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#7 User is offline   little pepe 79 

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Posted 23 February 2009 - 09:57 PM

View PostCorbin11, on Oct 20 2008, 08:38 AM, said:

Just like the topic says, I was driving my truck around yesterday, and today it would not start. I pulled out three plugs and grounded them against the block to see if I had spark. The plugs were pretty wet, but had no spark when the engine cranks over.

I just bought the truck a month ago, and have not bought a service manual for it yet.

Any places I should check that would kill spark on all cylinders?

Bronco recently had a mildly built 429 installed in it. I do not know if the ignition system was swapped over from the orignial 400 that was in the truck, or if it is even compatible.

Any input is greatly appreciated. The weather is perfect right now here in Phoenix, and I'd love to be driving the Bronco around.

iam new to site but have owned alot of fords .i would check module as these get hot and give up .if u replace it put some washers under it to get it off fender and let air under it.good luck
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