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electrical issue during high RPM shifting

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Old 04-20-2009, 05:39 PM
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Default electrical issue during high RPM shifting

When I shift at high RPMs or do a hard launch, the guages flicker and then go all the way to the right (like when you start the car.

It appears to be losing power during hard shifts or other violent movements.

I am assuming that it is a loose ground. I am not sure where all the grounds are though, so which ones should I check?

Thanks
Old 04-20-2009, 10:17 PM
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Originally Posted by landonew
I am assuming that it is a loose ground. I am not sure where all the grounds are though, so which ones should I check?

Thanks
That's where I would start as well. Try to move your battery terminal connections with your hand. If they move at all you need to tighten them. From there you'd have to start looking at body grounds. Check the battery first, if that's not it I can provide locations. PM me for this.
Old 04-21-2009, 12:41 AM
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Originally Posted by haacer
That's where I would start as well. Try to move your battery terminal connections with your hand. If they move at all you need to tighten them. From there you'd have to start looking at body grounds. Check the battery first, if that's not it I can provide locations. PM me for this.
PM sent.
The battery was the first place I checked.
Old 07-09-2013, 04:44 PM
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old threat but has anyone else had this problem and what did you find?
Old 07-09-2013, 05:19 PM
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Check that the battery absolutely cannot roll on its
base and short to the fenderwell.

Look at the battery to starter hot cable, mine got
chafed by the A/C compressor pulley edge and would
short out - but only on hard, right turns. One zip-tie
in the right place would have prevented that.
Old 07-09-2013, 05:22 PM
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yep checked all that my in boost at high rpm my pcm resets and I loose switched power for a split second and my aftermarket gauges and wideband reset.



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