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Something's wrong
#11
runninpony 
Sent first Autolite battery back to manufacturer, second Autolite battery return pending. Third battery returned to the store. I'm afraid of even putting the POS and NEG cables on #4

Starter solenoid D2ZZ...brandnew
Regulator is brandnew with electronic internals
Heavy duty battery cable set brandnew
Pertronix Coil and module
All wiring refurbished by midlife
Starter is 5 years old but car's been sitting for 3 years


Thanks everyone for your comments.

71-73 Mustangs never die, they just go faster!
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#12
So, when you took battery #3 back to the store did it test bad?
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#13
not a t 5,
You should NOT have any voltage at the S terminal of the starter relay with the key in the ignition position.
you SHOULD have battery voltage at the S terminal of the starter relay when the key is in the CRANK position !
Un plug the S terminal and hook up one lead at the un connected wire and the other to ground and turn the ignition to CRANK, DO YOU HAVE VOLTAGE ?.
Also, what color wires are at the S terminal and I terminal ?
the starter relay works like this.
If you look at the battery side there should be several wires besides the battery cable, the others provide voltage to the ignition switch and other accessories, the ignition switch provides voltage to the S terminal to PULL IN THE RELAY , when the relay is pulled in, it provides voltage to the starter.
The starter relay Must be properly grounded to provide voltage to the starter, S terminal and I terminal.
on the ground side of the battery you need a good ground to the engine block and from the engine block to
the chassis.
The function of the I terminal is to provide battery voltage to the ignition while the engine is cranking, there is NO resistor in this circuit as there is in the run circuit.
I see 3 distinct possibility's here, the I and S terminals at the starter relay are reversed.
the starter relay has a poor ground
you have a poor ground cable , either from the battery to the engine block or from the engine block to the chassis.
so tell us what color wires are on the S terminal and I terminal, I would have to look it up myself, but it is a possibility.
Boilermaster
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#14
runninpony 
(10-07-2018, 11:10 AM)Don C Wrote: My guess is that you have a grounding issue, bad cable or bad connections. Does your ground cable run to the bottom bolt on the voltage regulator and then to the engine block? Or in some other way ground both the chassis and the engine. When you check voltages make sure your ground probe is getting a good ground, best to get it directly from the negative battery terminal
OMG!  Angry I thought I hooked up the negative cable to the block but instead connected it to the NEG side of the starter relay!!! The other connector about midway on that cable is connected to the bolt under the voltage regulator. I'm loosing my mind!!!   Angry Gonna fix that right away.

71-73 Mustangs never die, they just go faster!
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#15
runninpony 
(10-07-2018, 11:26 AM)Bentworker Wrote: So, when you took battery #3 back to the store did it test bad?

Autozone tested it and said it was good! Returned it to Costco anyway.

71-73 Mustangs never die, they just go faster!
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#16
runninpony 
(10-07-2018, 12:02 PM)boilermaster Wrote: not a t 5,
You should NOT have any voltage at the S terminal of the starter relay with the key in the ignition position.
you SHOULD have battery voltage at the S terminal of the starter relay when the key is in the CRANK position !
Un plug the S terminal and hook up one lead at the un connected wire and the other to ground and turn the ignition to CRANK, DO YOU HAVE VOLTAGE ?.
Also, what color wires are at the S terminal and I terminal ?
the starter relay works like this.
If you look at the battery side there should be several wires besides the battery cable, the others provide voltage to the ignition switch and other accessories, the ignition switch provides voltage to the S terminal to PULL IN THE RELAY , when the relay is pulled in, it provides voltage to the starter.
The starter relay Must be properly grounded to provide voltage to the starter, S terminal and I terminal.
on the ground side of the battery you need a good ground to the engine block and from the engine block to
the chassis.
The function of the I terminal is to provide battery voltage to the ignition while the engine is cranking, there is NO resistor in this circuit as there is in the run circuit.
I see 3 distinct possibility's here, the I and S terminals at the starter relay are reversed.
the starter relay has a poor ground
you have a poor ground cable , either from the battery to the engine block or from the engine block to the chassis.
so tell us what color wires are on the S terminal and I terminal, I would have to look it up myself, but it is a possibility.
Boilermaster

I'll check that as soon as I can get my kid to help me. Thank you for the detailed explanation!

Turned out I bolted the starter cable bracket to the block but did not connect the NEG cable there. Connected the NEG cable from the battery to the NEG side of the starter relay! Because of that I thought I had it connected to the block.  Shootself
The "I" plug is teal and red wire with white stripe, it's supposed to be blue stripe perhaps rubbed off I dunno. "S" terminal is green plug with red wire, no stripe. Does the fusible link go to the positive side of the starter relay???

71-73 Mustangs never die, they just go faster!
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#17
You're killin me Smalls!

Lol... Glad you found a wiring problem. You could keep swapping out good batteries until you look like Hulk Hogan if they test good and you swap them anyways.
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#18
runninpony 
(10-07-2018, 01:17 PM)Bentworker Wrote: You're killin me Smalls!

Lol... Glad you found a wiring problem.  You could keep swapping out good batteries until you look like Hulk Hogan if they test good and you swap them anyways.

Haha  I'm small and unworthy! Got my kid to help but 6 Volts is all I'm getting at the green plug! Coil is the same 6 Volts, haven't tried to start...probably won't with half the voltage.

71-73 Mustangs never die, they just go faster!
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#19
runninpony 
(10-07-2018, 01:17 PM)Bentworker Wrote: You're killin me Smalls!

Lol... Glad you found a wiring problem.  You could keep swapping out good batteries until you look like Hulk Hogan if they test good and you swap them anyways.

So do you know if the fusible link (brown wire) goes the positive side of the starter relay?

71-73 Mustangs never die, they just go faster!
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#20
Yes, it goes to the battery cable side of the starter solenoid/relay. Unless you have factory gauges, then it goes to single pole terminal block.



“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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