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Thread: Spontaneous Power Loss
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08-26-2022 #1Registered User
- Join Date
- Sep 2017
- Posts
- 100
Spontaneous Power Loss
Good Day,
I have a cruise & connect kit for my 68 Chevelle. Its an LS3-525. As in the title I've been having complete power loss. Car starts great and runs great for about 15 ish minutes while driving then it absolutely loses power. Try to restart and there's nothing. I've never tried just letting it sit there for 15 minutes to see if it bails on me. I Wait for a bit of time and she starts but for only 15-20 seconds just long enough for me to put it in gear and punch it to get me to a safe place and wait for a tow truck
So here's my initial problem. I didn't realize that my starter had a builtin in solenoid, so during the build, I installed a remote one. I took the exciter wire from the ignition to the remote solenoid then to the starter. I've since removed the remote solenoid and have no issues with starting except right after it bails on me. Only time I have issues is if the car has been running for a short time.
Just before my car dies, I see some flickering lights in my tach gauge. Its those small yellow lights that start to light up as you approach redline. Then it dies. It won't turnover or nothing. My first thought was the alternator. I removed it and found it wouldn't start charging until 3000 rpm, so my battery was taking a **** kicking and ultimately replaced it. I have also replaced the alternator. Old one was only rated for 140A, new one is 240A. I checked voltage before and after replacing the alternator, before it was 9.8V and after trying to drive it, it was 12.8V which is great.
I got an OBD2 reader to check for codes. Never used one before. As soon as I plugged it into the DTC connector from the engine harness, the message that pops up says; "No powertrain DTC's or freeze frame data is presently stored in the vehicles computer". I'm assuming DTC means drivetrain codes?? So if that's what it means, I guess that's a good thing.
Its very very frustrating that after the car sitting for a bit of time, it starts. Its like it resets itself until it stall again.
Heeeeeeeeeeeeeeeeeeeeeeelp Anyone out there ever experience this same issue. Thanks in advance.
Perry