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Discussion Starter · #1 ·
I’ve got a 79 Eldorado that I’ve carb swapped. Pumping gas down the carb has it running, so it’s all good. Tanks got gas so I don’t wanna drop it and check. Which wires from the ecu control the in tank fuel pump?
Electrical wiring Cable Wire Electronic engineering Electronic component
 

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2000 SLS, 2004 SLS
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51 Posts
My print shows pin "C" Dark Green wire on C132 so I would think it's the dark green wire on the red plug
 

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1981 Biarritz, V864
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Have a look at the electrical prints attached to this earlier forum posting. Looks to be light blue if I read it right. Also try a search in this forum under "Bruce Roe". He is the expert and knows all the details on the 79 ECU's issues that you might create if you aren't careful. Hope it helps. Dave
 

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Discussion Starter · #4 ·
Have a look at the electrical prints attached to this earlier forum posting. Looks to be light blue if I read it right. Also try a search in this forum under "Bruce Roe". He is the expert and knows all the details on the 79 ECU's issues that you might create if you aren't careful. Hope it helps. Dave
It was the light blue wire, thanks.
 
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