944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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coolant fans

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coolant fans  Empty coolant fans

Post  matt889 on Sun Jul 10, 2016 9:15 pm

hi i would like to know who is using stock coolant fans from a NA model 944 ? if so are you using Stock porsche relays or 2 new relays ? if stock porsche wiring how did you set it up with the LS pcm ? or can the fans be controled by the sensors on the stock radiator for fan speeds ? or do i splice the LS pcm pins to the porsche wires for the triggers

matt889

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coolant fans  Empty Re: coolant fans

Post  gdopnt on Sun Jul 10, 2016 10:22 pm

The Porsche radiator has a temp sender on driver side of it. the two wires control the relay for high - low speeds of the fans and they can be pulled back to inside of car and connected to the ls1 computer. The ls1 computer uses its temp sender on cylinder one, that temp from cylinder one determines the speed of the fans and other things. Some people tap the right rear cylinder for the temp gauge on the cluster.

This is the easiest way period.

red/white Porsche goes to blue high speed

yellow/brown Porsche to green low speed

You can change the temp on and off settings with a tuning program

gdopnt

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Post  matt889 on Mon Jul 11, 2016 6:04 am

These Porsche wires are under passenger side of dash or directly at the fan wiring up front of I would wanna tap into them ?

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Post  Arthropraxis on Mon Jul 11, 2016 12:45 pm

There is a sensor, tempostat IIRC, on the drivers side of the radiator. The two wires from above attach to that. Clip them and pull them back through the harness to solder to the corresponding LS high and low speed wires stated above.
I did this and it works fine. My car has been a daily driver in the Southeast for the last 4 years.
Arthropraxis
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coolant fans  Empty Re: coolant fans

Post  Rich L. on Tue Jul 12, 2016 7:35 pm

Or just leave it alone. I have the stock thermostat and relays, left all the wiring alone and it works fine with the LS1 engine. My PCM's fan wires are not connected.

Rich
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