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Join Date: Jul 2007
Posts: 77
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Autothority MAF ? installation Please Help
I've just picked up an Autothority Mass Flow kit for my 86 turbo 951 and it did not come with instructions. does any one have the instructions or know how to install it?
Any help would be greatly appreciated thank you |
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11-13-2007, 09:26 AM
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Quality
Join Date: Oct 2007
Location: Philadelphia area and Morristown NJ
Posts: 951
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Pics would help. Do you have a MAF presently or an AFM? Sorry not familiar with 951s.
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11-13-2007, 11:41 AM
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Posts: 77
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sorry, no pics. the harness is driect plug in to factory plug but their is one red wire that needs to be spliced (im gessing on that) to some power source but dont know where.
dont know if that helps |
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11-13-2007, 12:05 PM
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Does it look like this one
 Did you buy it from Autothority? Shoot them an email info@autothority.com or call them 703-212-0900, I'm sure they would help. Sorry I haven't set one up, I assume the red wire does connect to power 
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Rob 87 944 * 89 951 "When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car." |
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11-13-2007, 01:45 PM
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no i did not buy from them it was used. and i did call and they will not talk to you unless buy from them direct. they will not even talk about their product. for example I called and wanted to know about it to be a informed consumer before. they will not even explain anything about it until you buy it. so if you wanted to know if it is all plug and play they say buy it and then we will talk. very bad customer service. that is why i bought used. i had my card out and ready to buy but they said buy it and then we talk. for me i like to know what I'm buying before i put 1 cent down. so for right now i have it tied in to my fan fuse until i can find the right place for it.
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11-13-2007, 06:25 PM
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That is poor customer service, I don't blame you for not buying from them.
Is there anyway to contact the seller and asked him where he had the hot wire going to? Ok I found a few pics on the web of some installs, it looks like they have the hot wire routed to the fuse box. Although not sure where it's connected to. Hope this helps.   Also you may try and contacting one the reseller's located at the bottom right of the page for help. http://www.autothority.com/ordering/index.html
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Rob 87 944 * 89 951 "When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car." |
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11-13-2007, 07:33 PM
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Posts: 77
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thank you for the pictures that is what i have done sense it is my every day car (i got a dme and klr with the Maf) the reason i got it was my car was bucking when i went in to the gas, so i thought it might be the boxes, knock sensor, TPS, or the old barn door. and now it has fixed the problem. I have it tied to the fan fuse for now. but have have been told that i can use 'C' were the blink tester goes, i think that is were I'm going to have it because i don't like the to have it kinda of hot wired to my fuse box. and i will try those other resellers
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11-13-2007, 08:25 PM
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Join Date: Jul 2007
Location: new york
Posts: 209
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I heard that you must connect that 12v power supply to #18 dme harness wire which red w/stripe. Im not sure about this so look into it.... Sorry never really hooked one up...
Adrian
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 1986 PORSCHE 951 3.0 project has begun!1989 IROC-Z(Show Car) 1961 Willys Jeep w/ 283 chevy(straight open headers) 1995 Dodge Ram 2500 HD 1981 Corvette 4spd |
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11-14-2007, 04:54 PM
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The red wire is connected to the diagnostic plug position Ub.
The harness that plugs in between the MFS and the factory harness has a rheostat that must be adjusted to 2.2k ohms, check the two outer pins on the rectangular end that lead to the blue and black wires. Turn the screw to adjust the resistance. This resistor give the DME a temperature signal.
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Keith Belcher '87 951 nautic/cancan |
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11-14-2007, 06:15 PM
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Thank you keith for the info. i will do it tomorrow moring before i go to work . and thank you to everyone, for your guys help. i don't know about cutting in to my dme wire i like to make everything reversible to stock
thanks soo much steve |
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11-14-2007, 07:18 PM
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1989 Porsche 951 2.5L
1987 Porsche 951
