CGCWO Posted January 16, 2021 Share Posted January 16, 2021 So when I bought my 87 4.0 auto 4x4 we had to use starter fluid to start it. It actually ran pretty good on the drive home. Since then I have not been able to get it to start again. I have done all cruisers ground tips and a few others (cleaning electrical connections) still no joy. Turns over really good, tries to start with starter fluid or gas added to throttle body, but no luck. I’ve changed out all the plugs, new fuel pump along with filter and cleaned the throttle body really well. I also made sure all the vacuum lines are connected, but of course some are brittle. I have a new set just haven’t had a chance to replace them yet. Anyone have any suggestions or tricks up their sleeves. Link to comment Share on other sites More sharing options...
Ωhm Posted January 16, 2021 Share Posted January 16, 2021 Using a voltmeter or 12vdc testlight (preferred) check for B+ on the following pins (use battery negative terminal for ground): D1_5: B+ (Hot at all times) D2_4: B+ (Hot during KEY ON/CRANKING). D1_6: KEY ON (B+ (Hot for 2-3 seconds)) or CRANKING (B+ (Hot during CRANK)). Link to comment Share on other sites More sharing options...
CGCWO Posted January 17, 2021 Author Share Posted January 17, 2021 Thanks! I guess it’s time to buy a voltmeter/tester. Link to comment Share on other sites More sharing options...
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