fan control and dual MAP sensors

[peterro]

Hi again, I have a couple questions that I suspect are pretty easy for those in the know.

1. On this (http://www.msextra.com/doc/pdf/MS3XV357 ... re-1.3.pdf) document page 22, note #3 (bottom of page), it says that the FIDLE can be switched: "This is jumper selectable using {missing} to provide a 12V ("V") output or a ground ("G") output". I don't know what the "missing" part of that sentence should be. I have a wire that when grounded, kicks the relay for my electric fans and this would be perfect. Just need to know how to do it.

2. Onboard MAP and manifold map. I can set the primary MAP to either one and get sensor readings. I'm not clear how to have both where the manifold MAP is primary and onboard is Baro. Maybe I'm thinking about that wrong. When I enable the secondary MAP, there's no choice for "onboard". Any good links or comments for some more clarity?

Thanks again

[Laminar]

I'm using MS3/MS3X. In the "General Settings" dialog, I can change "Barometric Correction" to "Two Independent Sensors". If I do that, the "Realtime Baro Port" field un-grays and I can choose "Mainboard". Then in the lower "MAP Sensor Settings" box the field "[Voltage/Frequency] Input Port" can be set to the channel to which your external MAP is wired. I suppose this could vary depending on your hardware and software versions.

[prof315]

Hi again, I have a couple questions that I suspect are pretty easy for those in the know.

1. On this (http://www.msextra.com/doc/pdf/MS3XV357 ... re-1.3.pdf) document page 22, note #3 (bottom of page), it says that the FIDLE can be switched: "This is jumper selectable using {missing} to provide a 12V ("V") output or a ground ("G") output". I don't know what the "missing" part of that sentence should be. I have a wire that when grounded, kicks the relay for my electric fans and this would be perfect. Just need to know how to do it.

2. Onboard MAP and manifold map. I can set the primary MAP to either one and get sensor readings. I'm not clear how to have both where the manifold MAP is primary and onboard is Baro. Maybe I'm thinking about that wrong. When I enable the secondary MAP, there's no choice for "onboard". Any good links or comments for some more clarity?

Thanks again

1. That's is a jumper on the RELAY BOARD. Your FIDLE will ground a fan relay just fine with out any modifications to anything.

[peterro]

Thanks for the answers.