Autometer Speedo Problems
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Junior Member
Joined: May 2006
Posts: 78
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From: Bedford, VA
Car: 83 Camaro
Engine: LT1 SD Mode 30lb/hr
Transmission: T56
Axle/Gears: 3.23
Autometer Speedo Problems
I have a 84 Camaro with 95 LT1/T56 95 Camaro ECM.
I swapped the instrument panel out for a Covan’s Classic set, and opted for the carbon fiber gauges. Because of the engine/tranny swap I am using the electrical speedo. I have the vss signal coming from the transmission into the ecm and out on the green signal wire into the gauge.
Anyone who has seen one of these electrical speedo’s will know they go through a “boot up” process when power is applied. The needle will go to 80mph pause, display what I assume to be the calibration factor ,and then drop to zero and display mileage.
The problem I am having is the speedo will hang at ˝ needle or drop to zero and not read if I don’t have the motor started before the “boot up” process begins. I called Autometer about this problem they informed me to install a Bosch #30 relay between key on power, power to the gauge, and the starter solenoid wire. This just feels like a work around not a real solution is anyone else experiencing this problem?
Also in the cold mornings the speed stops working, I have to get half way to work then magically it starts working. Any thoughts on this, the only difference I can think of is temp, could the stock vss sender be going bad?
Thanks
I swapped the instrument panel out for a Covan’s Classic set, and opted for the carbon fiber gauges. Because of the engine/tranny swap I am using the electrical speedo. I have the vss signal coming from the transmission into the ecm and out on the green signal wire into the gauge.
Anyone who has seen one of these electrical speedo’s will know they go through a “boot up” process when power is applied. The needle will go to 80mph pause, display what I assume to be the calibration factor ,and then drop to zero and display mileage.
The problem I am having is the speedo will hang at ˝ needle or drop to zero and not read if I don’t have the motor started before the “boot up” process begins. I called Autometer about this problem they informed me to install a Bosch #30 relay between key on power, power to the gauge, and the starter solenoid wire. This just feels like a work around not a real solution is anyone else experiencing this problem?
Also in the cold mornings the speed stops working, I have to get half way to work then magically it starts working. Any thoughts on this, the only difference I can think of is temp, could the stock vss sender be going bad?
Thanks
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