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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Using 944 N/A fans/need fan wiring/switch help

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Using 944 N/A fans/need fan wiring/switch help

Post  Jasonscottw on Mon Feb 23, 2015 9:23 pm

So I'm using a pair of N/A fans in combination with a griffin radiator.
1)Are they going to be up to the job?
2)how do I wire in the fan control? I currently have them plugged into the original 944
wiring harness. Where would the wires from a temp sensor go? Can they go to the 14 pin Porsche interface (pins 9&10?)? Or to the LS computer? LS wiring harness? None of the above?
Many thanks-
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Jasonscottw

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Re: Using 944 N/A fans/need fan wiring/switch help

Post  pormgb on Mon Feb 23, 2015 11:04 pm

I had the same setup then moved to PCM fan control, the instructions are found at the below link.

I live in San Diego and the fans hardly come on, the Griffin radiator does a great job cooling these motors.

The PCM  uses the coolant temperature sensor to trigger the fans, the PCM can be configured to change when the fans operate.

[You must be registered and logged in to see this link.]
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pormgb

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Re: Using 944 N/A fans/need fan wiring/switch help

Post  Rich L. on Mon Feb 23, 2015 11:11 pm

I left all of the original Porsche wiring for the fans, alternator and starter. The thermostat is in the radiator close to the stem vent, wiring comes up from the lower driver's side in the front. The alternator blue wire and starter red/black wire are in a two pin connector together at the firewall driver's side.

Rich
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Rich L.

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Re: Using 944 N/A fans/need fan wiring/switch help

Post  Jasonscottw on Mon Feb 23, 2015 11:34 pm

Rich-
I can't seem to find the blue wire. The only blue wire on drivers side firewall I have is bundled up in the 7 pin connector.
@ the firewall there is a whitish two pin connector but it contains a black and a brown wire. 87 n/a.
Am I missing something? Different colors/different models?

Also, any idea what color the wires that went to the thermostat are? I might of removed them when cleaning up the engine bay/harness. If I did remove, can I run new wires into the Porsche 14 pin interface @ 9&10.
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Re: Using 944 N/A fans/need fan wiring/switch help

Post  Rich L. on Tue Feb 24, 2015 11:21 am

Pins 9,10 of the 14-pin go to the gauges. The thermostat connector has 3 wires that going into the same run up the frame rail as the fan connectors. My car is also an '87 n/a. The alternator and starter triggers come out of a bundle right at the master cylinder attachment to the firewall. I don't know what 7-pin connector you're talking about.

Here's a post of mine from a while back when I was helping docwyte find the same trigger wires:
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Good luck,
Rich
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Re: Using 944 N/A fans/need fan wiring/switch help

Post  gdopnt on Tue Feb 24, 2015 7:32 pm

red/white goes to gm blue high speed and yellow/brown to gm green low speed. On page 211 of the Porsche repair manual bottom right corner is the diagram. I did this and it was simple easy and fast.

gdopnt

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Re: Using 944 N/A fans/need fan wiring/switch help

Post  docwyte on Tue Feb 24, 2015 8:11 pm

Interesting. I'm about to tap the red/black stripe wire so hopefully my ABS will start working. Should I also be running a wire from the alternator to the blue wire?

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Re: Using 944 N/A fans/need fan wiring/switch help

Post  gdopnt on Tue Feb 24, 2015 8:26 pm

My blue alt. wire is in a bundle by the alternator-not connected. My alt. was changed to self excite and with about 150 miles no problems yet. I have factory ABS with no relay so I have no answer for your type ABS.

gdopnt

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