Think You Know Your ABS? This One Has A Few Stumped

scount757 · August 25th, 2010, 05:41 PM

I have a 99 Cobra and the abs light is on. All fuses and relay are how they ought be. The module we have no idea if it is good because we cannot get any power to it. Where in the system can it be losing power it the block is not getting it? The main harness under the battery has no corrosion to it whatsoever. I am at a loss as to what to check. No traction control as a result of it and that is no fun in the rain or a gravel road

86er · August 26th, 2010, 04:16 AM

have you tested for voltage at the module? Should be a green wire I believe coming out of the harness, if you have voltage there, obviously the module is then bad, if you dont have voltage, keep tracing back with that wire until you find where you have voltage. Could be a short, bad ground, chafed wire

Mach Boy · August 26th, 2010, 12:43 PM

I was going to guess bad ground. My ABS light keeps kicking on every so often because of one.

semperfi09 · August 30th, 2010, 05:37 PM

Originally Posted by 86er

have you tested for voltage at the module? Should be a green wire I believe coming out of the harness, if you have voltage there, obviously the module is then bad, if you dont have voltage, keep tracing back with that wire until you find where you have voltage. Could be a short, bad ground, chafed wire

i have a 04 mach 1 with the exact same issue i checked the darker green wire coming out of the harness it it has very little voltage but it was enough to make the test light illuminate does this mean the module is bad ?

August 25th, 2010, 05:41 PM	#1
scount757 Newbie Join Date: Aug 2010 Posts: 2 iTrader: 0 reviews	Think You Know Your ABS? This One Has A Few Stumped I have a 99 Cobra and the abs light is on. All fuses and relay are how they ought be. The module we have no idea if it is good because we cannot get any power to it. Where in the system can it be losing power it the block is not getting it? The main harness under the battery has no corrosion to it whatsoever. I am at a loss as to what to check. No traction control as a result of it and that is no fun in the rain or a gravel road

August 26th, 2010, 04:16 AM	#2
86er I Post Entirely Way Too Much Join Date: Nov 2006 Location: Memphis, TN Posts: 7,626 iTrader: 0 reviews	have you tested for voltage at the module? Should be a green wire I believe coming out of the harness, if you have voltage there, obviously the module is then bad, if you dont have voltage, keep tracing back with that wire until you find where you have voltage. Could be a short, bad ground, chafed wire __________________ Just a truck 5.4 3v: 264hp 317ft lbs rock stock The "search" button, its not just for porn piecing together the next project faster than your first sexual experience

August 26th, 2010, 12:43 PM	#3
Mach Boy MM's Orangest 2004 Mach 1 Mustang Join Date: Sep 2007 Location: Indy Posts: 2,846 Blog Entries: 1 iTrader: 1 reviews	I was going to guess bad ground. My ABS light keeps kicking on every so often because of one. __________________ Looking for 03/04 4V ABS Wiring Harness Connector/Incomplete Wiring Harness (with ABS connector)

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