Whats this Black Box?

Timm10221 · February 20th, 2011, 02:41 PM

Ok, So I did all the grounds and all is good to go... 4 gauge cable from Block to Chassis and 4 gauge cable from Block to Battery Neg. Now to turn it on,

I put the key to the run position and I get my tach going crazy and it is bouncing between 4-5 rpm mark. And I have a high pitched buzzing sound, kinda sounds like a broken horn.. and the Fuel pump wont prime.

I located the sound, it is coming from this Black Box that is mounted right behind the Coolant over flow tank. It has a wiring harness connected to it and inside the box looks like a computer chip or what not. What is this box and could this box taking a shit cause my issue...

I decided to turn it over for shits and giggles and it turns over fucking amazing.. fast as shit, hasn't turned over this well ever...

I just need to know what this black box is and maybe replace it.

FastStang91Lx · February 20th, 2011, 04:36 PM

I can't think of anything like that on my fox, but maybe if you get a pic on here for the SN crowd it will be better help

93hatch · February 20th, 2011, 08:25 PM

pics phaggot

Ohsplat · February 20th, 2011, 09:12 PM

Sounds like a external ignition, or a car alarm.

fogged306 · February 20th, 2011, 09:12 PM

Sounds like the ignition control module. I forget where they are on a SN, but they're under the hood. pics would definitely help.

Timm10221 · February 20th, 2011, 10:37 PM

Daves94vert · February 20th, 2011, 10:45 PM

it's your ccrm where various relays are kept including yoour fuel pump relay.

ryanw · February 20th, 2011, 10:46 PM

looks a little like a Air bag sencor, not sure though. Was that on the radiator saport ?

jessemachone · February 20th, 2011, 10:47 PM

Originally Posted by Daves94vert

it's your ccrm where various relays are kept including yoour fuel pump relay.

+ 1

Timm10221 · February 20th, 2011, 10:49 PM

That would make sense why my fuel pump wasn't priming if that is shot..

jessemachone · February 20th, 2011, 10:51 PM

Originally Posted by Timm10221

That would make sense why my fuel pump wasn't priming if that is shot..

yup. they go bad. I have seen people bypass the one in the ccrm and add it elswhere in the system. remember that you need to keep it sealed if you heep it out there because you don't want it getting wet.

Timm10221 · February 20th, 2011, 11:04 PM

So which one is it...

Advance Auto Parts: Relay Control Module by BWD - Part RCM12M

Advance Auto Parts: Relay Control Module by BWD - Part RCM13M

Advance Auto Parts: Relay by Factory Air - Part 37514

Advance Auto Parts: Body Control Computer by Cardone - Part 73-70020

jessemachone · February 20th, 2011, 11:29 PM

yours should be marked. autos are different than manual i think.

Timm10221 · February 20th, 2011, 11:32 PM

Well its a F48F-12B577-AA type R, But autozone or advanced doesnt call it a CCRM, But thats what it is for sure... The only things I can find that look like it are what I put in the links.... Maybe I will just take it into the store tomorrow and see if they can order me one..

jessemachone · February 20th, 2011, 11:36 PM

sounds like a decent plan to me!

Timm10221 · February 20th, 2011, 11:45 PM

I swear, If I get this new CCRM and it doesn't fix this issue Im going to cut every wire out of the car and re-wire it all and go Carbed.. lol I dont think my new grounds would have done this failure, I have grounded the battery to the block and then the block is grounded to the frame and I also have a wire going from the neg terminal to the chassis.. I wanted to make sure it was grounded out good lol.

jessemachone · February 20th, 2011, 11:53 PM

shit's old man - old shit breaks. Don't carb your car because of stupid electrical crap!!!

Timm10221 · February 20th, 2011, 11:56 PM

lol, Im just getting tired of spending money on replacing this electrical crap lol.

93hatch · February 21st, 2011, 12:13 AM

my car blows fuel pump relays. Dunno why. Got the power wire that goes to the relay jumped to the fuel pump. Only thing the dam relay does is makes the fuel pump prime. So when my keys to on my fuel pumps always on lozlzllzlzl

C MY 4D · February 21st, 2011, 12:22 AM

Sounds like a voltage/ground issue to me..... CCRMs make noise when under powered.

February 20th, 2011, 04:36 PM	#2
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	I can't think of anything like that on my fox, but maybe if you get a pic on here for the SN crowd it will be better help __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

February 20th, 2011, 08:25 PM	#3
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	pics phaggot __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

February 20th, 2011, 10:46 PM	#8
ryanw I Post Entirely Way Too Much 1991 Ford Mustang GT Join Date: May 2007 Location: San Diego, California Posts: 6,062 iTrader: 0 reviews	looks a little like a Air bag sencor, not sure though. Was that on the radiator saport ? __________________ DART 331ci stroker, AFR 185 heads, Trick Flow R intake, Accufab 70mm tb, 75mm pro m Maf, 30lb injectors, jba headers, 2 1/2" x pipe flowmaster super 10 mufflers, 255 fuel pump, 3:27 gears

February 21st, 2011, 12:13 AM	#19
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	my car blows fuel pump relays. Dunno why. Got the power wire that goes to the relay jumped to the fuel pump. Only thing the dam relay does is makes the fuel pump prime. So when my keys to on my fuel pumps always on lozlzllzlzl __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

February 21st, 2011, 12:22 AM	#20
C MY 4D Billy Weston 2003 Cobra 11.14@124.36 Join Date: Aug 2006 Location: Hampton, VA Posts: 4,806 iTrader: 8 reviews	Sounds like a voltage/ground issue to me..... CCRMs make noise when under powered. __________________ TT Build in progress....... Need work done to your car for a great price in Hampton Roads? Shoot me a PM.

February 20th, 2011, 09:12 PM	#4
Ohsplat Enthusiast 1983GT No motor or trans Join Date: Nov 2010 Location: Middle River MD Posts: 540 iTrader: 0 reviews	Sounds like a external ignition, or a car alarm.

February 20th, 2011, 09:12 PM	#5
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Sounds like the ignition control module. I forget where they are on a SN, but they're under the hood. pics would definitely help.

February 20th, 2011, 10:45 PM	#7
Daves94vert Newbie Join Date: Dec 2010 Posts: 11 iTrader: 0 reviews	it's your ccrm where various relays are kept including yoour fuel pump relay.

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