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This sounds like BAS issue. It's located between headlights

1. pull BAS and measure according to manual. Shake it up a little, measure again, still OK?

2. inspect wiring connector on both BAS and harness connector, all terminals intact,
not loose?

3. measure continuity between BAS connector and ECU connector. Wiggle wires while looking at readings. Nothing changes?
 

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Super Moderator
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190 Posts
Does dash & lights go out when it shuts off?

Trace and check wiring from source: battery!!!

Wiggle and jiggle battery cables from where they connect to terminals. Then work your way forwards towards ignition-switch and dash. Also shake wiring going to ECU. Look for frayed wiring that may be shorting or disconnecting.

Any non-stock looking electrical-tape should be removed to inspect wiring underneath. There are several spots in harness with 3-5 grounds coming together. Common source of corroded wiring or broken connectors.
 
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