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2018 Sahara JL wont start!

Rusty Teeth

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Joined
Mar 16, 2018
Threads
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Location
York,PA 17408
Vehicle(s)
2021 JL Sahara Altitude
Occupation
Electronics Tech/ Fabricator/ 5G Fiber Optic Cellular Tech
Just up on 600 miles had it maybe 14 days.
2 days in had a no start, but would crank over problem.
Finally started, few more days left me sit. Had done some research.
Found all fuses loose in power distribution fuse box. Didnt help
Then found loose distribution cables from fuse box. Had 12.65 volts on N1. Main battery and 4.12 on N2
After good 5 hour charge.
Had it towed to dealer, service guy says, wonder if its the same thing as the last one. 30 seconds he comes back in and says yep needs ESS relay loose crossthreaded connections. What? Where?
Where did you wiggle?
Near the firewall under the battery?
Where? My tow truck driver said he got it started. Waiting for relay now.
Will post pix and issues i was seeing.
Found distribution lug not seated and possibly touching was loose!
Before and after alignment.
All fuses were also loose and needed seated.
Fuse identification under lid.
Will update soon!

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Rusty Teeth

Rusty Teeth

Well-Known Member
Joined
Mar 16, 2018
Threads
19
Messages
219
Reaction score
53
Location
York,PA 17408
Vehicle(s)
2021 JL Sahara Altitude
Occupation
Electronics Tech/ Fabricator/ 5G Fiber Optic Cellular Tech
Follow up of symptoms i see with this low voltage scenario.
Thumping in speakers
Wipers moving slowly
Dash lights flickering
Transmission lights flickering
Cant put auto transmission into any position.
Had to do towing pull cord for override.
Steering alert
Engine will stop soon errors
Battery charge low
Dash lights in alarm
Check engine light
Battery warning
Could not move pushbutton from run position
 
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Rusty Teeth

Rusty Teeth

Well-Known Member
Joined
Mar 16, 2018
Threads
19
Messages
219
Reaction score
53
Location
York,PA 17408
Vehicle(s)
2021 JL Sahara Altitude
Occupation
Electronics Tech/ Fabricator/ 5G Fiber Optic Cellular Tech
Here is part that they ordered.

20180323_094759.jpg
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