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Old 06-27-2013, 02:39 PM   #1
el es tu
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Default Fuse/relay for the power steering assist?

Does anyone know if there is a fuse or relay for the power steering assist (I believe its called magnasteer)?

Thanks!

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Old 06-27-2013, 02:44 PM   #2
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Quote:
Originally Posted by el es tu View Post
Does anyone know if there is a fuse or relay for the power steering assist (I believe its called magnasteer)?

Thanks!

Wasn't even aware vettes have steering assist.
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Old 06-27-2013, 03:43 PM   #3
RicK T
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Never mind.

I misunderstood the question. My apologies for my confusion.

Last edited by RicK T; 07-02-2013 at 08:05 PM. Reason: delete orig answer
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Old 06-27-2013, 09:08 PM   #4
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C6's do have variable assist power steering, there is an electrical connector going to the rack.
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Old 06-28-2013, 07:05 AM   #5
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Quote:
Originally Posted by marc8090 View Post
C6's do have variable assist power steering, there is an electrical connector going to the rack.
Yep

Some cars that have it, have a fuse specifically for it. I dont think the c6 has a specific fuse for it, but maybe one thats used for several items.

btw Im trying to find out because my new steering rack is harder to turn (while stopped) than my old one, ps pump was tested and its fine, so Id like to rule everything out before removing the rack and having to return it.

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Old 06-28-2013, 01:30 PM   #6
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In 2008, the cars got several upgrades to the steering system; our 2009 is much lighter and more precise than our previous 2006.

Most of the upgrades can't be used on the previous cars, but the 2005-2007 replacement racks are supposed to be made with the tighter tolerances. If nothing else gets changed, that might cause an increase in steering effort.
Maybe.
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Old 06-28-2013, 04:50 PM   #7
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From the factory shop manual : "the variable effort steering (VES) system uses the electronic brake control module (EBCM) to control current to a bi-directional electromagnetic rotary actuator." That is also what the electrical schematic shows. I'm gonna guess no separate fuse for just the rack.
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Old 07-01-2013, 03:48 PM   #8
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looks like Im going to have to keep checking for the cause...

thanks for the replies!

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Old 07-02-2013, 07:02 PM   #9
Bill Dearborn
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Pull the ABS fuses and the steering assist will go away. The signals come from the EBCM. If it is dead the steering assist will be dead. You will have a few lights and messages but the car can still be safely driven and you can see how it drives without the steering assist being on. If there is no difference then you have an issue with the rack. Another way to do that is to pull the connector going to the rack but you have to get under the car to do that.

Bill
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Old 07-02-2013, 07:40 PM   #10
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Quote:
Originally Posted by Bill Dearborn View Post
Pull the ABS fuses and the steering assist will go away. The signals come from the EBCM. If it is dead the steering assist will be dead. You will have a few lights and messages but the car can still be safely driven and you can see how it drives without the steering assist being on. If there is no difference then you have an issue with the rack. Another way to do that is to pull the connector going to the rack but you have to get under the car to do that.

Bill
Interesting. Thanks.
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Old 07-03-2013, 09:01 AM   #11
el es tu
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Quote:
Originally Posted by Bill Dearborn View Post
Pull the ABS fuses and the steering assist will go away. The signals come from the EBCM. If it is dead the steering assist will be dead. You will have a few lights and messages but the car can still be safely driven and you can see how it drives without the steering assist being on. If there is no difference then you have an issue with the rack. Another way to do that is to pull the connector going to the rack but you have to get under the car to do that.

Bill

Thanks for the info - I can reach the connector from the top so Ill give that a try. Is this going to need a code reset after I plug it back in?

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Old 07-03-2013, 09:01 AM
 
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