choke light flickering and clicking under the dash
Thread Starter
Junior Member
Joined: Feb 2010
Posts: 99
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From: Bolingbrook, IL
Car: '83 TA
Engine: GM Performance 350
Transmission: 700R4
Axle/Gears: the slowest off the line
choke light flickering and clicking under the dash
recently my choke light has start flickering (it comes and goes). There is a definite click under the dash in the group of stuff above the gas pedal. I tried to get in there to figure it out but thought I would ask here and get some insight into what might be causing it.
I disconnected the electric choke and it still didn't stop it. I'm seeing posts in other threads about the alternator and the choke light but am wondering about the "on/off clicking" that I'm hearing with the flickering. The alternator is a few months old, Put it in with the engine swap last fall.
ideas?
thanks!
I disconnected the electric choke and it still didn't stop it. I'm seeing posts in other threads about the alternator and the choke light but am wondering about the "on/off clicking" that I'm hearing with the flickering. The alternator is a few months old, Put it in with the engine swap last fall.
ideas?
thanks!
Last edited by mjk1210; Jul 15, 2014 at 04:56 AM.
Joined: Sep 2005
Posts: 27,993
Likes: 2,485
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: choke light flickering and clicking under the dash
Yup, needs an alternator.
Don't outsmart yourself over "click" and all that. That's how they behave sometimes.
Don't outsmart yourself over "click" and all that. That's how they behave sometimes.
Re: choke light flickering and clicking under the dash
If I recall correctly, there is a choke relay under there. Could be the source of the clicking. Not sure if there is a tie-in with the alternator, but the alternator is always the first suspect in the line-up whenever you see the choke light come on.
Joined: Sep 2005
Posts: 27,993
Likes: 2,485
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: choke light flickering and clicking under the dash
Yessir, you mos def recall correctly.
The relay is in parallel with the light; they operate together. Light on = relay drops out. Light off = relay picks up.
The relay is in parallel with the light; they operate together. Light on = relay drops out. Light off = relay picks up.
Thread Starter
Junior Member
Joined: Feb 2010
Posts: 99
Likes: 0
From: Bolingbrook, IL
Car: '83 TA
Engine: GM Performance 350
Transmission: 700R4
Axle/Gears: the slowest off the line
Re: choke light flickering and clicking under the dash
Thanks for the replies, guys. I noticed last night that the voltage on the meter on the dash is surely fluctuating a bit. Especially if I hit the defroster and turn the blower fan on high and also when I slow down and come to a stop. But I also noticed that the "clicking and light flickering slows way down or goes away completely as the voltage on the dash drops. i would have thought that the light would come on all the way in that case. so I'm a bit confused about that.
but the dang thing is virtually new. It has a few thousand miles over a couple years with that Alt. I'm wondering if I should check grounds first. Well...second. first I'm gonna put a volt meter to the Alt. But bad grounds could cause a problem with virtually everything right?
It's killing me to think that Alt could be bad with so little use.
but the dang thing is virtually new. It has a few thousand miles over a couple years with that Alt. I'm wondering if I should check grounds first. Well...second. first I'm gonna put a volt meter to the Alt. But bad grounds could cause a problem with virtually everything right?
It's killing me to think that Alt could be bad with so little use.
Supreme Member
Joined: Jun 2011
Posts: 2,036
Likes: 6
From: knoxville tn
Car: 86 IROC
Engine: 5.0 TPI
Transmission: 700-R-4
Axle/Gears: 2.73 open
Re: choke light flickering and clicking under the dash
Thanks for the replies, guys. I noticed last night that the voltage on the meter on the dash is surely fluctuating a bit. Especially if I hit the defroster and turn the blower fan on high and also when I slow down and come to a stop. But I also noticed that the "clicking and light flickering slows way down or goes away completely as the voltage on the dash drops. i would have thought that the light would come on all the way in that case. so I'm a bit confused about that.
but the dang thing is virtually new. It has a few thousand miles over a couple years with that Alt. I'm wondering if I should check grounds first. Well...second. first I'm gonna put a volt meter to the Alt. But bad grounds could cause a problem with virtually everything right?
It's killing me to think that Alt could be bad with so little use.
but the dang thing is virtually new. It has a few thousand miles over a couple years with that Alt. I'm wondering if I should check grounds first. Well...second. first I'm gonna put a volt meter to the Alt. But bad grounds could cause a problem with virtually everything right?
It's killing me to think that Alt could be bad with so little use.
Thread Starter
Junior Member
Joined: Feb 2010
Posts: 99
Likes: 0
From: Bolingbrook, IL
Car: '83 TA
Engine: GM Performance 350
Transmission: 700R4
Axle/Gears: the slowest off the line
Re: choke light flickering and clicking under the dash
Where would you recommend I get one and which particular one should I get?
I'm still finding a few things very odd about all this though.
1. I took the time to clean off a couple of grounds and the voltage instantly increased and the flickering/clicking frequency immediately reduced.
2. Why does the flickering/clicking go away if I add more load to the circuits (turn on the defroster and high fan)?
3. Why does it slow and stop flickering/clicking when I come to a stop and increase in speed and frequency again as I accelerate as voltage seems to increase?
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