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Old 04-27-2019, 02:00 PM   #1
Redrider2911

Name: Redrider2911
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VP44 no voltage while cranking

Voltage between pins 6 and 7 while in “run” position. No voltage while cranking. Starts if i jump pins 6 and 7. Where do i start looking?
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 04-27-2019, 02:45 PM   #2
Redrider2911

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Jumped the fuel system relay and now have voltage constantly on pins 6 and 7. But plug the connector back on the VP44 and no start... ��
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 04-27-2019, 02:47 PM   #3
Redrider2911

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Also note i just swapped this VP44 and FASS fuel system off a good running engine. Like i saw the engine running myself.
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 04-27-2019, 02:58 PM   #4
Redrider2911

Name: Redrider2911
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Only thing i didn’t have a chance to check was the blue “kill” wire for voltage. Ran out of time and now i have to have this on my mind for the next 2 weeks while I’m on vacation.
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 04-27-2019, 04:07 PM   #5
Redrider2911

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I’m recalling that the PDC has a relay labeled “security”. Possible there’s an issue there? There was no security light blinking on the cluster or anything.
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 05-02-2019, 11:10 AM   #6
Redrider2911

Name: Redrider2911
Title: Too Much Time
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Posts: 780
No one has any help?
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 05-10-2019, 03:02 PM   #7
Redrider2911

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Alright. It looks like I just figured it out. I'm pretty sure it's the ignition switch. Just tested it by spraying some ether in the intake and cranked. Right when it jumped up to RPM to start, I turned the key back to “run” and it runs perfectly fine. The “accessory” contact on the switch must be bad and the starter contact is fine. Thegiveaway was that all my gauges would drop back to 0 while cranking.
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49 Willys Pickup. 5600lb. 11.8sec @115mph 1/4. 12 valve. MegaSquirted 47RH. 3.54 posi rear. 35" tires. 64mm HE351ve, S475 (75/96/1.32), A/W Intercooler. AFC mods. 5x16s. 191 DVs, 180 pump. 23*. 85psi. Build Thread
 
Old 05-10-2019, 05:53 PM   #8
thatguy69
 
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Good find, glad you posted back what you found
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Old 05-15-2019, 10:01 AM   #9
TravisG
 
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That's a great catch. I would have have been pissed trying to figure that one out.
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