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  #1  
Old 07-29-2008, 02:23 PM
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not just another OVP question....

need to deal with possible OVP issue on 1993 190E 2.3 . consensus on this forum is that it uses a dual-fuse, 9 pin OVP....however, the socket is a 7 pin.....please help end my confusion. TIA
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  #2  
Old 07-31-2008, 12:25 AM
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california vs federal setup?

Have you fed your vin to the EPC to see what it says?

-CTH
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  #3  
Old 08-03-2008, 12:48 AM
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cdplayer

Quote:
Originally Posted by autotiki View Post
need to deal with possible OVP issue on 1993 190E 2.3 . consensus on this forum is that it uses a dual-fuse, 9 pin OVP....however, the socket is a 7 pin.....please help end my confusion. TIA
Different years use different OVP's. I got a dual fuse OVP from a 1991 190. It's a 9 pin. However, I also picked up a 7 pin OVP from a 1989.
It has a single 10A fuse with a black top.

FYI. Numbers on the 7 pin are 89 71 62 Let me know if this is the one you need. cdplayer51@pacbell.net
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Old 08-03-2008, 07:52 AM
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i think its federal. talked to a friendly local dealer tech, he said the replacemnets are all 9-pin, but will work(somehow?) in the 7-pin sockets. i suppose the 2 extra pins control something in thats not available on this car.
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  #5  
Old 08-03-2008, 11:54 AM
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All 7 pin get replaced with 9 pin..the extra circuit is for chassis w/trans modules. So, if you have an earlier chassis , that circuit is not used.
They are doing this with many parts today for cost control..it is cheaper to have the extra circuit intergrated during the manufacture process than it is to make several different part # and circuit configurations.
One fits all is the concept..and the logic is overall cost control.
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Last edited by Arthur Dalton; 08-03-2008 at 12:06 PM.
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