Thread: Tach/Speedometer No Power

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  1. #1 Tach/Speedometer No Power 
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    I've posted about my previous issues here with electrical problems. Those all seem to be gone. My main power and grounds have been upgraded. Battery is perfectly fine. Starts like new now. My problem? The tach and speedometer aren't moving.

    My IC lights up when I have the lights on and shows my turn signals so there is power to some things. I did swap the BCM then put my old one back and mess around under the dash so any ideas about this?

    Also, a wire from my remote starter pulled out of the awesome electrical tape connection that was used. This wire goes to the tach so I re-attached it where I saw the messy connection of the tach (white wire) connected to a brown wire in front of the DRL box (or whatever the name is for the box before the BCM). *correction - This is for the parking lights and hooked up right. The remote installer used some wrong colored wire here* My fuses all seem to be good except for a missing 20A to my sunroof and under the hood the 30A "Air" one listed on my box has nothing to plug a fuse into for some reason.
    Last edited by kirmie; 01-27-2013 at 01:06 PM.
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  2. #2 Re: Tach/Speedometer No Power 
    Moderator dsmuts's Avatar
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    What do you drive?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: Tach/Speedometer No Power 
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    Quote Originally Posted by dsmuts View Post
    What do you drive?
    Yeah... that might have been important. 2000 GTP. It also seems to bog out after a bit unless I'm on the gas.
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  4. #4 Re: Tach/Speedometer No Power 
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    No ideas? Nuts.
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  5. #5 Re: Tach/Speedometer No Power 
    Moderator dsmuts's Avatar
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    Check out your wiring harness on the passenger side back of the motor
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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