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Ecklers AutoMotive
Username Post: 63 impala just shuts off when it feels like it.        (Topic#355204)
Posts: 27

Age: 41
Loc: Naples
Reg: 02-10-14
02-11-19 06:33 PM - Post#2759669    

My 63 2 door hardtop 283 randomly shuts off on me. It has happened at a red light and even when I'm rolling down the street. When i try to start it back up it doesn't even turn over or make any type of sound, just nothing. I believe the oil light comes on but thats it. Usually after cursing up a storm, a dozen push and pulls of the headlight knob and some wiggling of the negative cable, it starts(usually 3-5 minutes later). Sometimes I make it to wherever I'm going but it won't turnover when I get back in it to leave(but eventually does). It seems electrical but I'm not sure, plus I don't know much about that. I cleaned the surface of the ground area with a wire brush but not sure if it did anything since it still shuts off at random. Any advice would be super awesome, just please talk slow

Ecklers AutoMotive
"6th Year" Silver Supporting Member
Posts: 1324
Loc: Houston TX
Reg: 04-15-11
02-11-19 06:54 PM - Post#2759671    
    In response to KellyDay

The electrical weak point on these cars are the at firewall connections. This is where the front light harness and engine harnesses connect to the fuse box. The are held on by two plastic clips that can easily break or warp. I would start there to make sure your connection is solid. It sounds like you have already checked over your negative battery cable. Just make sure the connection to the engine block is good.

64 Impala SS:
Chevy Performance 350HO
4 Speed Muncie

Proud member of Big Blue Nation, University of Kentucky Basketball. "Go Big Blue"

Frequent Contributor
Posts: 1023

Loc: In the garage
Reg: 08-19-14
02-11-19 06:59 PM - Post#2759674    
    In response to KellyDay

I agree with Shane on the firewall connection. Mine was bad when I bought my 61 and it would do similar things until I replaced the wiring harness.

1961 Impala mild custom build

Gofastwclass on YouTube

Why buy when you can build it better?

"15th Year" Gold Supporting Member
Posts: 307
Loc: Out West In SoCal
Reg: 05-08-03
02-11-19 09:04 PM - Post#2759691    
    In response to KellyDay

If jacking around with the battery ground cable helps to get it to restart, I think I'd start by replacing the cable and go from there. I've seen them where they were corroded thru on the inside of the insulation.

'66 C-10 Short Fleetside Big Window

Posts: 222

Loc: San Diego
Reg: 06-29-15
02-12-19 09:17 AM - Post#2759719    
    In response to KellyDay

I'd repeat those firewall connections.

I went to clean those once, the whole clip was so brittle it shattered in my hand.

Since it was my daily driver, and it happened on a weeknight, I spliced all the wires and crimped them together just so I could get to work the next day. That was about 2 years ago, no issues since.


61 Impala bubbletop, 283, 2bbl Rochester, generator, points and drum brakes- daily driver
'49 Harley Davidson FL - Panhead

Posts: 27

Age: 41
Loc: Naples
Reg: 02-10-14
02-12-19 03:54 PM - Post#2759769    
    In response to KellyDay

I will give those suggestions a go. I will keep you all posted. Thank you

Ecklers AutoMotive
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