Search found 3 matches
- Tue May 10, 2011 10:39 am
- Forum: General Information
- Topic: fuel pump only primes with laptop plugged in
- Replies: 6
- Views: 614
Re: fuel pump only primes with laptop plugged in
no when I plug in the stim pump circuit works fine I just dont get 12v at pin 30 on FP relay 12v at pin 37 at MS could it be internal? testing wiring again so far everything is per 3.0 wiring diagraham.
- Tue May 10, 2011 7:10 am
- Forum: General Information
- Topic: fuel pump only primes with laptop plugged in
- Replies: 6
- Views: 614
Re: fuel pump only primes with laptop plugged in
I agree, but the pump will prime with the laptop plugged in when you key on the ign. if I unplug the laptop, no prime but power to MS power to main relay power to fuel pump relay in but no power out of relay and relay works fine it seems the MS isnt providing ground is it something in the MS.
- Mon May 09, 2011 11:58 am
- Forum: General Information
- Topic: fuel pump only primes with laptop plugged in
- Replies: 6
- Views: 614
fuel pump only primes with laptop plugged in
I am having issues with the MS grounding the pump. I am running MS 2 v3.0 w/tuner studio. MS is a new assembled unit from DIY. works normal with the stim hooked up. with MS plugged into engine harness and laptop fuel pump primes but no rpm signal at cranking. all sensors work, double checked wiring ...