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1948 chevy pickup with new V8 SBC engine package complete

Customer Question
with alternator starter ,etc and...
1948 chevy pickup with new V8 SBC engine package complete with alternator starter ,etc and new autowire wiring harness. all works fine except starter . Sometimes get 1 loud click when turned key. Replaced battery and battery cables, still every once in a while 1 click. It will start with a jump. Alternator charging a little over 14 volts. Next move?
JA: Is the car in "Park" or "Neutral?" Do you know if your car has a "wheel lock" feature?
Customer: I did install a mechanical neutral safety switch down at the automatic transmission gear linkage
JA: What is the model/year of your Chevy?
Customer: 48 chevy pickup with new SBC engine and 700R4 auto trans
JA: What year is your Chevy?
Customer: goodlord man 1948
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: replaced battery and battery cables
JA: Anything else you want the mechanic to know before I connect you?
Customer: that's about it
Submitted: 6 months ago.Category: Chevy
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Customer reply replied 6 months ago
hello?
Answered in 28 minutes by:
7/13/2017
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago
JOHN aka Eauto
JOHN aka Eauto, The Car Guy
Category: Chevy
Satisfied Customers: 16,736
Experience: ase tech
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Hi . Thank you for asking your question on JustAnswer.
is the click coming from the starter?

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Customer reply replied 6 months ago
the solenoid
Customer reply replied 6 months ago
one time we herd the click and a second later it started
Customer reply replied 6 months ago
is that it ?
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

no but can you answer the question so i can help solve the issue?

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Customer reply replied 6 months ago
coming from the starter
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

have you measured voltage to the starter? likley its a bad starter is it gear reduction?

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Customer reply replied 6 months ago
starter came with the crate motor package along with an alternator . had to replace the alternator already. both are just remans.
its a typical GM starter. don't believe its gear reduction
Customer reply replied 6 months ago
I put a tester on the battery during start up and it seemed to fall into the green range, however, that was testing the battery
Customer reply replied 6 months ago
i can measure the voltage to the starter . while engine off i assume
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

if its getting 12 volts at the starter and has trigger at the trigger wire when the key s turned to the cran position its a bad starter...all the symptoms point to the starter

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Customer reply replied 6 months ago
strange, i replaced the battery, battery cables , made sure good ground contacts, it only clicks occasionally but will tart righwith a light jump from a battery charger in start mode . it can go days without starting it and it will start
Customer reply replied 6 months ago
check voltage at battery post on starter for 12v , turn key to crank position and check trigger wire, wire on the small stud at solenoid?
Customer reply replied 6 months ago
trigger wire i assume is the small wire lead to the solenoid ? there is only one wire
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

correct thats the one that engaged the solenoid when the key is in the crank position

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Customer reply replied 6 months ago
as long as trigger wire is receiving voltage during crank position , should I check that voltage or can use a test light just to check for voltage ?
Customer reply replied 6 months ago
i assume this proabably would not be an intermitant electrical system problem, probably a defective starter solenoid but replace starter as well?
Customer reply replied 6 months ago
i meant do i check the voltage to the trigger wire with a meter or just use a test light to make sure its getting some kind of voltage ?
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

test light is fine

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Customer reply replied 6 months ago
right on
Customer reply replied 6 months ago
well i started this late and will have to check it in the AM
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

ok i check in and out during the day...because i work on cars all day..but reply i will get back to you when i see it

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Customer reply replied 6 months ago
thanks
Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

no problem

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Chevy Mechanic: JOHN aka Eauto, The Car Guy replied 6 months ago

a

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