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Author
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Topic: low coolant light won't go out
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gercolla1
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Member # 3068
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posted
 
 
I made sure that I used coolant in the overflow bottle.I have even resorted to putting a jumper wire between the two male electrodes and the light still stays on. ![[Confused]](confused.gif)
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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94gt
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Member # 3060
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posted
the switch may be bad...
I'll look for my schematic to try and give you a few things to look for
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2020 Explorer ST
2011 Silver Raptor 'Screw
Posts: 5777 | From: Beavercreek, OH | Registered: Jul 2003
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gercolla1
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Member # 3068
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posted
quote:
Originally posted by 94gt:
the switch may be bad...
I'll look for my schematic to try and give you a few things to look for
What switch is this? I guess I'll see!
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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5OHS5OH
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Member # 4665
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posted
I know, I know, it's probably the first thing you did, but have you dissconnected the battery cable ?
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89 Convertable GT
BBK Headers, cai
Posts: 1044 | From: San Bruno | Registered: Jul 2004
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gercolla1
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Member # 3068
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posted
quote:
Originally posted by 5OHS5OH:
I know, I know, it's probably the first thing you did, but have you dissconnected the battery cable ?
do you mean like disconnect it for a few minutes and then see if is still on? No I did not but I'm gonna do it now. Worth a shot. ![[patriot]](graemlins/patriot.gif)
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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gercolla1
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Member # 3068
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posted
quote:
Originally posted by 5OHS5OH:
I know, I know, it's probably the first thing you did, but have you dissconnected the battery cable ?
do you mean like disconnect it for a few minutes and then see if is still on? No I did not but I'm gonna do it now. Worth a shot.
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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5OHS5OH
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Member # 4665
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posted
Yeah, it works with several "idiot" lights. For some reason the battery needs to be dissconnected to reset the computer.
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89 Convertable GT
BBK Headers, cai
Posts: 1044 | From: San Bruno | Registered: Jul 2004
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JBeezy53
CAFords OG
Member # 3960
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posted
Well mines been coming on lately when I'm low on coolant, but I have no overflow bottle? But I haven't checked to see where the sensor wire is at yet.
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89 Gt
98 Cobra
88 Notch
05 GSXR 750 Blk/Yel
Posts: 1782 | From: Sacramento, Ca | Registered: Jan 2004
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Wildfire532FB
CAFords OG
Member # 1482
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posted
quote:
Originally posted by 5OHS5OH:
Yeah, it works with several "idiot" lights. For some reason the battery needs to be dissconnected to reset the computer.
disconnecting the battery erases the codes that the computer stores up.
If you keep getting the low coolant light pull the codes it will tell you what sensor is acting up.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17580 | From: 530 | Registered: Jun 2002
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gercolla1
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Member # 3068
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posted
It's off now. ![[Smile]](smile.gif) ![[Frown]](frown.gif)
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Sf Bay Area
Posts: 2171 | From: Sampan San Francisco | Registered: Jul 2003
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Teddy Tiger
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Member # 2473
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posted
The low coolant switch in the bottle is just a float switch, I think it's a little sliding magnet inside the bottle on a float, and when it gets low it closes the contacts in the switch.
When you jumped the leads, you closed the circuit and that would keep the light on.
If it's off now, the contacts might have jarred loose and open again, or the float might have gotten stuck...
What year is your Car?
Nick Radonich
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2008 Mustang GT 'Premium'
Vista Blue Metallic
Interior Upgrade, Comfort Group
Charcoal Leather Interior
Shaker 500 Stereo
Posts: 167 | From: Lafayette, California | Registered: Feb 2003
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