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Re: 5.7 TBI in an 86????? Anyone done this swap??
Quote:
Originally Posted by mcbassin
Yes, I am pretty sure I am using A5. It should show 12v when it sending a signal correct?
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A5 line is used for SES circuit. SES light bulb has one lead connected to +12 volts (ignition on) and the other lead connected to pin A5 of the ECM. ECM pulls pin A5 low to turn on the light bulb. Make sure that light bulb does not draw excessive current ( <50 mA).
//RF
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"The Beast"
1975 Chevrolet C20 longbed
350/ 700R4! with 3inch body lift
Dual Flowmasters Super 40's!
TBI retrofit completed (2007-07-29) 
New 383CID (+030) 08-304-8 9.5:1CR x36,005 (2012-12-17)
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