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help troubleshootin'
Posted by: St.Hubbins ()
Date: April 02, 2016 02:49PM

so 5 days ago drove the car 3 miles to the office per usual... 2 hours later drove another mile for appt... after hour-long appt. the battery was drained somehow.
jumped her and drove for 10-15 minutes to O'Reilly where i bought the battery one year and maybe 400 miles ago... they hooked up to it and it read 99%, then read the alternator and starter, both good.
all back to normal until today when the same thing happened... can't think of what is draining the battery so quickly and randomly. probably something simple, yet still way over my head winking smiley

thanks all!

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Posted by: Wagon Master ()
Date: April 02, 2016 02:57PM

Brake light switch barely misadjusted. This becomes an issue when you pull the parking brake with your foot on the pedal.

'29 Ford Model A Tudor
'61 700 Lakewood 110 4 speed
'69 Monza Convert. 140 Auto.
'70 Dodge Challenger R/T 440 4 speed

Been aircooled since 1973
Northwest Ohio

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Re: help troubleshootin'
Posted by: MattNall ()
Date: April 02, 2016 03:28PM

Check / clean the main Engine harness connector..... common symptom..





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: help troubleshootin'
Posted by: St.Hubbins ()
Date: April 03, 2016 08:57AM

thanks - any tips on how best to try these? my electrical experience is pretty limited

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Posted by: Mel ()
Date: April 03, 2016 09:00AM

I don't know what the problem is but when you get it fixedsmiling smiley I would suggest ALWAYS disconnect your battery somehow when not using carthumbs up.

Orangeville, Ontario. CANADA

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Re: help troubleshootin'
Posted by: St.Hubbins ()
Date: April 03, 2016 09:15AM

yeah, she's a daily driver, so i probably won't be doing that eye rolling smiley

definitely a wiring issue - power comes and goes as i fiddle with the harness... but what is draining the battery so quickly between drives?

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Posted by: 63vert ()
Date: April 03, 2016 09:32AM

Check for the driver side heater hose off the engine. Sometimes the winding spring metal in the hose can end up touching the battery cables hooked into the starter solenoid. This will end up making a direct ground and discharge the battery within minutes. I've found this problem while working on more than one customers' cars.

Rockingham, NC

1962 Greenbrier
65 110 4speed

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Re: help troubleshootin'
Posted by: Mel ()
Date: April 03, 2016 09:49AM

St.Hubbins Wrote:
-------------------------------------------------------
> yeah, she's a daily driver, so i probably won't be
> doing that eye rolling smiley
>
> definitely a wiring issue - power comes and goes
> as i fiddle with the harness... but what is
> draining the battery so quickly between drives?


Now there's pride of ownershipeye rolling smileyIf your car isn't worth the effort , let her burnthumbs upI should have known better when I heard "daily driver"sad smiley

Orangeville, Ontario. CANADA

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Re: help troubleshootin'
Posted by: acardon ()
Date: April 03, 2016 11:02AM

Quote

definitely a wiring issue - power comes and goes
> as i fiddle with the harness... but what is
> draining the battery so quickly between drives?

It's not draining the battery, you have a bad connection, causing the loss of power. What harness are you fiddleing with?


Quote
Mel
I don't know what the problem is but when you get it fixedsmiling smiley I would suggest ALWAYS disconnect your battery somehow when not using car.

You've got to be kidding, disconnect the battery when you stop at the store?

The Trunk Belongs in Front, Ask Any Elephant
Caution: Images in This Mirror May be Waterpumpers
Don
NTCA....DFW,TEXAS
66 Monza 1 owner

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Re: help troubleshootin'
Posted by: Mel ()
Date: April 03, 2016 01:15PM

Yes always disconnect while shopping grinning smiley go back to sleep Doneye rolling smiley

Orangeville, Ontario. CANADA

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Re: help troubleshootin'
Posted by: Seth Emerson ()
Date: April 03, 2016 01:24PM

There is a difference between going into a store for 20 minutes, and leaving the car for the day at work or overnight at home. There are some easy to install and really easy to use quick disconnects made just for hobby cars that sit. (AutoZone O'Reilly's maybe?) Until you find out the issue that would keep you going. They mount directly on the positive stud of the battery.

Seth Emerson

Check my new Performance Corvair Web site [www.perfvair.com]

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Re: help troubleshootin'
Posted by: St.Hubbins ()
Date: April 04, 2016 10:57AM

at the risk of jumping the gun, it seems the issue was minor corrosion on one of the 8 contacts in the plastic harness, as Matt hypothesized.
we'll see how it does over time, but tally another W for the friendly forum folks!smileys with beer

p.s. Mel - you're rant at me both confuses and amuses... thanks for thatgrinning smiley

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Date: April 04, 2016 12:18PM

Seth Emerson Wrote:
-------------------------------------------------------
> There is a difference between going into a store
> for 20 minutes, and leaving the car for the day at
> work or overnight at home. There are some easy to
> install and really easy to use quick disconnects
> made just for hobby cars that sit. (AutoZone
> O'Reilly's maybe?) Until you find out the issue
> that would keep you going. They mount directly on
> the positive stud of the battery.

Whenever I install a quick-disconnect, I try to install it on the negative terminal because the quick-disconnect usually has a fairly large tab attached to the battery terminal. When the quick-disconnect is attached to the positive terminal, the larger positively charged area increases the likelihood that something will contact it and cause a direct short to ground.

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Re: help troubleshootin'
Posted by: St.Hubbins ()
Date: April 04, 2016 12:44PM

may i ask why i should consider getting a quick-disconnect? should the amount/frequency of driving factor in?

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Posted by: MattNall ()
Date: April 04, 2016 01:11PM

Q-D's are a SAFETY item.... in cans 0f fire or large electrical short....

Some just use a 60 amp fuse in the main line like newer cars....


I've seen a few Motorhome burn to the ground as the starter cranked the engine and the mechanical fuelpump fed the fire! Vairs are easier to get to admittedly...


Most, if not ALL, racing organizations require one on the outside of the car!





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: help troubleshooting electrical gremlins
Posted by: St.Hubbins ()
Date: April 05, 2017 02:04PM

arrrrrgh! here we are, a year later and the gremlins still haunt... on several trips there, classic car restoration shop has: replaced some corroded/worn-out wiring, installed new 5-point ignition switch, identified a hot coming from the RediRad aux i installed... strike one, two, and three - thanks for playing!

don't know whether to give a third well-regarded shop a crack at it, or just get a quick-disconnect installed and learn to love it forever more. wife wants the car gone at this point, but i've gotta believe this is a solvable issue.

thoughts?

64 Monza Convertible, Powerglide, Goldwood yellow

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Re: help troubleshootin'
Posted by: BobV66Vair ()
Date: April 05, 2017 02:15PM

My LM did that for a while until I discovered the dome light was on. Easy fix but it killed my battery anyway.

Bob Vinnacombe
Sandy, Oregon
1965 Corsa 140 stock
1966 Monza Soon to be race car
1968 Monza Parts for now

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Re: help troubleshootin'
Posted by: MattNall ()
Date: April 05, 2017 02:38PM

How often and how far do you normally drive this car?

You may just need to buy a $15 "Battery Maintainer" and stay plugged in when not driving and it's setting in the garage..





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: help troubleshootin'
Posted by: steve c goodman ()
Date: April 05, 2017 02:42PM

Are you losing connections or having to jump/charge the battery every time this happens?

best wishes, Steve
Rear Engine Spec. Inc. Golden, Colo.

1962 spyder 3.0L turbo---1965 Crown V8
1967 monza 110/4---1968 monza 110/4
1971 amante gt 110/4
CORSA/RMC/PPCC

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Re: help troubleshootin'
Posted by: MattNall ()
Date: April 05, 2017 02:47PM

Also,

A stone stock Vair with factory radio and no clock will set all winter and start fine

With a clock.... several months

with older aftermarket radios with a"Memory wire" a few weeks

With newer aftermarket radios a few months

That's my experiences





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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