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| G16B fuel pump triggers https://auszookers.com/forum/viewtopic.php?f=5&t=57832 |
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| Author: | shakes [ Thu Jan 30, 2025 7:32 pm ] |
| Post subject: | G16B fuel pump triggers |
In the process of stripping the loom. Can find about 30 diagrams but none that align with mine so flying slightly blind. I've pulled light circuits and blower out assuming no links. Turns out one of them has stopped my fuel pump relay from firing. I've got 12v at fuel pump relay... To save me hours of fault finding and reading non-matching diagrams. Can anyone point me in the right direction? 1992 Lwb 16v mpfi - bonus points if you've got the right diagram for me. |
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| Author: | fordem [ Thu Jan 30, 2025 11:16 pm ] |
| Post subject: | Re: G16B fuel pump triggers |
The "ground side" of the fuel pump relay coil is wired directly to the ECU. Attachment: G16 fuel pump.png Please note, there are two 12V supplies to the pump relay, the coil is powered from the ignition feed and the contacts from the FI main relay. |
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| Author: | shakes [ Fri Jan 31, 2025 7:07 am ] |
| Post subject: | Re: G16B fuel pump triggers |
Thats absolutely perfect. Thanks. A complete rookie question. How are the A and B pinouts and numbering ordered on the ECM? None of the diagrams I had aligned, so I'm not sure if it's my stupidity or the drawings. |
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| Author: | fordem [ Fri Jan 31, 2025 7:36 am ] |
| Post subject: | Re: G16B fuel pump triggers |
Attachment: ECU coupler.JPG Which side of the coupler are you looking from? Suzuki usually shows the diagrams from the "wire side". These are from 99501-60A50, available from the link below. http://www.rhinoman.org/manuals/vitara/vit_manuals.html |
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| Author: | shakes [ Fri Jan 31, 2025 10:33 am ] |
| Post subject: | Re: G16B fuel pump triggers |
That is absolutely perfect. I was on rhino power. But somehow missed that. I Appreciate your time. |
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| Author: | fordem [ Sat Feb 01, 2025 2:07 am ] |
| Post subject: | Re: G16B fuel pump triggers |
You're welcome - just trying to give back some of what I've been given over the years. |
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