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Rear defrost on 1996 pontiac sunfire does not work

The light on the switch turns on. I have read that there are connectors on the way to the rear window that may corrode. Can anyone describe where they might be? Otherwise, how can you get at the switch in order to test that? There is no voltage at the leads that connect to the window. Any other suggestions?

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SOURCE: check engine light for a 1995 pontiac sunfire

OBD 1.5 OBD 1.5 refers to a partial implementation of OBD-II which General Motors used on some vehicles in 1994 and 1995 (GM did not use the term OBD 1.5 in the documentation for these vehicles - they simply have an OBD and an OBD-II section in the service manual.)
For example, the 94-95 Corvettes have one post-catalyst oxygen sensor (although they have two catalytic converters), and have a subset of the OBD-II codes implemented. For a 1994 Corvette the implemented OBD-II codes are P0116-P0118, P0131-P0135, P0151-P0155, P0158, P0160-P0161, P0171-P0175, P0420, P1114-P1115, P1133, P1153 and P1158.[1]
This hybrid system was present on the GM H-body cars in 94-95, W-body cars (Buick Regal, Chevrolet Lumina ('95 only), Chevrolet Monte Carlo ('95 only), Pontiac Grand Prix, Oldsmobile Cutlass Supreme) in 94-95, L-body (Chevrolet Beretta/Corsica) in 94-95, Y-body (Chevrolet Corvette) in 94-95, on the F-body (Chevrolet Camaro and Pontiac Firebird) in 95 and on the J-Body (Chevrolet Cavalier and Pontiac Sunfire) and N-Body (Buick Skylark, Oldsmobile Achieva, Pontiac Grand Am) in 95.
Depending on the year and the vehicle, a car with the OBD 1.5 system may have either the older OBD-I connector, or the newer OBD-II connector, but they are electrically identical to each other.[citation needed]
The pinout for the ALDL connection on these cars is as follows:
180px-obd-connector-pinout.png magnify-clip.pngFemale OBD connector pinout 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 For ALDL connections, pin 9 is the data stream, pins 4 and 5 are ground and pin 16 is battery voltage.
Additional vehicle-specific diagnostic and control circuits are also available on this connector. For instance, on the Corvette there are interfaces for the Class 2 serial data stream from the PCM, the CCM diagnostic terminal, the radio data stream, the airbag system, the selective ride control system, the low tire pressure warning system and the passive keyless entry system.[2]
An OBD1.5 has also been used on Mitsubishi cars of '95 '97 vintage.
An OBD1.5 has been used in some 1995 Volkswagen VR6's (Juice Box's GTI)

Posted on Aug 16, 2008

psds4
  • 293 Answers

SOURCE: how to change spark plugs wires 1996 pontiacsunfire

no response

Posted on Nov 04, 2008

blueextc3221
  • 15935 Answers

SOURCE: changing the oil pressure sending unit on a 1996 2.2 pontiac sunf

Under hood, driver side, front engine area, below cylinder head, where engine meets transaxle housing mounted in block

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Posted on Apr 23, 2009

  • 314 Answers

SOURCE: serpentine belt diagram for a 1996 pontiac sunfire.

email me at chuckie12_87@yahoo.com and i will send you the diagram

Posted on Jun 27, 2009

  • 2 Answers

SOURCE: 2004 Impala rear window defroster not working

the 30 amp breaker is behind the fuses ....u have to take the glovecompartment out and pull the whole fusebox out if ur hands r too big ....the power seat circuit breaker is there 2
nab

Posted on Jan 07, 2010

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1 Answer

Rear defrost


There is usually a relay involved in the rear defogger circuit. I would check for power on the wire at the window connector with key on and defroster button on. If power there, the window grid may have a break. If no power, will have to work back in the wiring diagram.

Dec 19, 2013 | 2002 Pontiac Sunfire

1 Answer

How do turn on the light inside the sunfire aside from those reading lights on the rear view mirror?


  • There is a dome light switch on the dash. Turn it all the way to the right and it will click. Torn it to the left to turn the dome light off.

Regards, Tony

Apr 26, 2011 | 1997 Pontiac Sunfire

1 Answer

Rear brake diagram for 1996 pontiac sunfire


take both drums off the do one whilst looking at the other in case you forget where that little spring went

Apr 03, 2010 | 1998 Pontiac Sunfire

1 Answer

How do I repair non-working rear defrost window? Currently my front defrost works, but the AC pump is broken and non-functioning. Does that have anything to do with the rear defrost? Where do I check for...


Hello.
The rear defroster isn't affected by a/c operation.
The most common issue I see in my shop is the rear grid damaged.
The wire you see in the rear glass is a resistor type conductor which builds heat as electricity passes through it. If the grid wires get scratched it is like a broken wire and will not build up heat as there is an interruption in the flow.
First thing is verify your fuses are good and the indicator light comes on when the switch is depressed.If they are OK proceed to the next check.
If you look carefully at each side of the glass there is a wire connected to the grid. If these have come loose or become corroded that is where your problem has most likely occurred.
To test it a 12 volt test light or a multimeter should light or read battery voltage applied at each side of the glass grid.
If indeed the grid is damaged there is a repair kit available to fill in the gap at your local auto supplier.
Hope this helps you with your repair.

Nov 29, 2009 | 1999 Pontiac Sunfire

1 Answer

2005 pontiac sunfire rear defrost doesn't work


sounds like a broken grid(the lines across the rear window) or thepower wire has broke off the window
to check this you need some FINE STEEL WOOL
turn the rear defrost on and move the steel wool across the grid not up and down slowly and litely if there is a break in the grid the steel wool will SPARK then mark it keep checking there could be more then one break
then you will need a repair kit
hope this helps

Nov 08, 2009 | 2006 Pontiac Sunfire

2 Answers

Rear brake lights on a 1998 pontiac sunfire wont work


Check your wiring from the lights to the front..The wires go under the rear seat and they sometimes come pinched..Theres a bad wire or connection there somewhere..Just try and follow the wires up to the fuse box..It could even be corded under the fuse box,Hope this helps you..And Have A Great day..

May 04, 2009 | 1998 Pontiac Sunfire

1 Answer

Rear defroster doesnt work. Connections are fine on window. No scratches on the lines. Where is the fuse?


End of your dash at drivers side, where you open door, pull panel & read map. Also have another power distribution box under hood if not in there.

Feb 03, 2009 | 1998 Pontiac Sunfire

1 Answer

Rear window defroster pontiac sunfire 2005 ind light not working changed the fuse still ng


those can be tricky to solve. get in the back of the car and look for a connector on the window. some times for some reason they let go. if it has let go then visit you auto store and ask for a fix there are a few products that are cheap. if it has not let go then if you know how to use a multi meter check for voltage on the connector/s if theres voltage then there is a break in the defroster somwhere

Dec 20, 2008 | 2006 Pontiac Sunfire

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