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#1
Yesterday, 11:39 PM
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Resistor wire
Wondering if anyone has had the same problem as me…
Burned a set of points in only a few hundred miles. Second time it has happened. I tested the voltage to the coil + and I was getting full voltage (instead of the typical 7ish) while running. I even bypassed the ignition switch and same result. All the wiring including the resistor wire looks nice and unmolested. Can a resistor wire go bad in a way that leaves it allowing full voltage?
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My Break Away Squad 1969 Fbird (base OHC, 350, 400HO & Sprint Cvt’s - 400HO & TA ht’s) 1969 Custom S 2dr ht 1969 LeMans (2dr & 4dr ht & Cvt) 1969 LeMans Safari wagon 1969 GTO (2 Cvt, 2 ht & Judge ht) 1969 Cat (3 Cvt’s & 2dr ht) 1969 Ventura wagon 2 seat 1969 Exec 4dr post 1969 Bonnie Cvt & 2 wagons 1969 Bonnie Brougham (4dr ht & Cvt) 1969 Grand Prix 2 SJ’s 1969 2+2 2dr ht (Canadian) |
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#2
Today, 01:11 AM
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My 69 GTO's resistor wire did the same thing back in the 1980's. At the time
I fixed the problem by adding a Chrysler resistor block on the firewall. Later when i did a frame off on the car around 1990 I installed a reproduction engine harness.....no issues since then. |
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#3
Today, 05:48 AM
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5-7 volts should be seen with ignition on points closed, about 11 volts engine running.
With boken or missing resistor the engine wont run. Is the re resistor cable replaced with a non-resistor cable? |
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#4
Today, 07:00 AM
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Change the condenser in the distributor. it keeps the points from burning up too quickly.
Is the resistor wire under the dash? I think the 69 didn't have the yellow wire from starter to distributor. The ignition switch on column to the firewall has the yellow and black/pink connect at the inside firewall connector. So I would think the switch is 'bad' letting full voltage go the firewall at all times? (if Kenth's suggestion checks out) Could check the voltage of the black/pink wire under dash to see what the voltage is and/or see if the yellow wire has 12 volts in 'run' position. (it should not have 12 volts on 'run') 
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#5
Today, 09:17 AM
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It’s a 69. The resistor wire is in the dash harness. It is a milky grey color and actually has resistor printed faintly along its length. It is all obviously original. I unplugged the ignition switch and sent 12 volts through the resistor wire and got full voltage at the coil.
I wonder if a resistor wire can fail by not resisting rather than simply cracking and not transmit any power? Perhaps somewhere near the ignition switch the yellow wire (non resistor cranking ignition supply) is making contact with the resistor wire and allowing full voltage to reach the engine harness wire to the coil? I’m thinking I might take a resistor wire from another old dash harness.and temporarily connect it instead of the original and see if that does the trick.
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My Break Away Squad 1969 Fbird (base OHC, 350, 400HO & Sprint Cvt’s - 400HO & TA ht’s) 1969 Custom S 2dr ht 1969 LeMans (2dr & 4dr ht & Cvt) 1969 LeMans Safari wagon 1969 GTO (2 Cvt, 2 ht & Judge ht) 1969 Cat (3 Cvt’s & 2dr ht) 1969 Ventura wagon 2 seat 1969 Exec 4dr post 1969 Bonnie Cvt & 2 wagons 1969 Bonnie Brougham (4dr ht & Cvt) 1969 Grand Prix 2 SJ’s 1969 2+2 2dr ht (Canadian) |
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#6
Today, 09:53 AM
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That should work.
When you take the wire out, see what it looks like under the insulation?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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