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> The 914 conversion, 3.3 Ltr suby upgrade
flmont
post Nov 24 2017, 06:30 PM
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35 AMPs ea,...But Iam not sure if I could go larger
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flmont
post Nov 24 2017, 06:48 PM
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I want to use original fuse panel so I can tie into fuel pump and starter from chassis harness,..I have no experience in wiring so for now I just want it hooked to get it running then I can change thigs as needed.
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76-914
post Nov 24 2017, 07:04 PM
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First, I mistakingly said you need a relay for your alternator. You don't. Relays enable you to run smaller wires to switch or activate an item that draws a heavy amp load, i.e. fans, starters, or fuel pumps, etc. And are usually place near a larger energy source to supply those items just mentioned. You need to run a 12 or 14 ga wire up front thru the tunnel for your radiator fans. You currently have 2 large red wires that run through the tunnel from the battery. One goes to the steering column and the other to position #10 on your fuse panel. Both of these are unfused and it's a damned good idea to fuse them back at the battery. The Amp ratings on your new fuse board are plenty. What size wires are those on that panel? They may be large enough that you won't need to run an additional line through the tunnel. (IMG:style_emoticons/default/beerchug.gif)
EDIT: Or send me a link to where you purchased the board so I can check it out.
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flmont
post Nov 24 2017, 07:18 PM
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I found it at first on youtube,..looking for info on how to wire a panel and then I found that panel.under automotive waterproof fuse panels.
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76-914
post Nov 24 2017, 11:15 PM
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W/O a link to detrmine what size wires you have I'll guess yes. Based upon the assumption that there are 5 relay sockets and 10 fuse sockets and the relays are 40amp then surely 5 of those circuits would have at least 14ga or 12ga wires coming from them. You really need to know such things as the amp draw of your fans, distance from fans to power source, etc. The fans that I have on this SBC build draw 3.8 amps each so almost 8 amps. I would imagine some of the older fans off a Cadillac or similar might pull 6 amps or more. I wouldn't run anything smaller than 12 ga if your just shooting from the hip. (IMG:style_emoticons/default/beerchug.gif)
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flmont
post Dec 2 2017, 02:15 PM
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I spoke with the guy who built my harness,..I just need to run 8 gauge from front to the battery,My fan and Alt. is fused and relayed,just got to make the connection's
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flmont
post Dec 2 2017, 02:20 PM
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I have the KEP,Fly wheel for my conversion,BUT the presure plate bolts that were with the kit are loose when you thread them in,.SO I called them they sent new bolts and they also wiggle a little bit, is this normal for PP bolts they sent bolts and lock washers ??? TIA Frank
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76-914
post Dec 2 2017, 03:58 PM
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Lock washers are normal. They don't need to be really tight. Check the specs but probably 16-20 lbs ft. Good call on 8ga. You can never have to much available. Can you do an amp draw on those fans to check the demand?
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flmont
post Dec 2 2017, 05:41 PM
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76-914,. the bolts wiggle when I screw them in half way, they did supply lock washers Iam just nervous about those bolts, why do they fit loose like that is my concern,Iam sure they will torque ok but still,..and I would do a test on the AMP draw if I new how,.I guess hook them up and then test,.???
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post Dec 2 2017, 08:02 PM
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When I do an amp test I use an in line fuse between the +battery and in this case the + on the fan. Remove the fuse from the fuse holder then insert one lead from your test probe into each female spade fitting in the fuse holder. You need to set your multi meter to the "DC" amp setting which in my case means leaving the red lead on the common and moving the black lead to the AMP outlet on the multi meter. (IMG:style_emoticons/default/beerchug.gif)

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flmont
post Dec 6 2017, 09:05 PM
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Ahh Sweet, thanks I will ck that this weekend,...FM
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timothy_nd28
post Dec 6 2017, 10:35 PM
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Does the ECU control the fans? If so, you may need 3 relays if that schematic posted a few pages back is correct. I'm not familiar with the Subaru electrical, but it looks like you need a relay for the ECCS, three relays for your fans, one relay for your fuel pump, and I still love the idea of using one relay for the starter solenoid. This would relieve strain from the 914 ignition switch.
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Chris H.
post Dec 7 2017, 09:41 AM
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Yes, the ECU has fan controllers in it. Low speed and high speed. You would need 3 relays to control it, or you could just combine low and high. If I remember right, in a 2 fan scenario low speed turns one fan on, high speed kicks them both on.
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914forme
post Dec 7 2017, 10:15 AM
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High speed also is invoked when the AC circuit is activated. The moral is if for some reason your ECU thinks your AC is on, it will power the high speed circuit. And well you will be wondering why the fans are running.
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Chris H.
post Dec 7 2017, 10:33 AM
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Yes, you could use the AC wire as a switched source to power the fans manually if you wanted to.
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flmont
post Dec 7 2017, 05:55 PM
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I'll post pic's of my fan harness,But it is relayed and fused its ready to go,..I just gotta get them hooked up,..
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flmont
post Dec 9 2017, 10:37 PM
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this is my radiator fan relay set up,I just need to make some grouns I will run 2 ea 10 or 12" fans..Attached Image
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76-914
post Dec 10 2017, 09:38 AM
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I've got a set of the OEM 3 wire Subaru fans if you want them. They're too wide unless you mount them for a floor exhaust. That being said they are quite, powerful and yours for the cost of shipping. (IMG:style_emoticons/default/beerchug.gif)
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flmont
post Dec 13 2017, 07:27 PM
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Well,..Thank You for the offer !!! my Radiator set up measures out to be 11" tall and 25 " wide pitched to exhaust thru the hood,.??,Ill post a pic ASAP. Thanks Frank
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flmont
post Dec 14 2017, 10:58 AM
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This is my set upAttached Image
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