Nuetral safety switch problems
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Nuetral safety switch problems
Question for you guys. My back up lights on my 1981 F-150 with 302 and C6 do not come on. I was going to replace the Neutral safety switch but when I got it off I notice it was a two wire connection. The one the parts store sale are a four wire set up. Two questions first what other ford would this had been on and two being that it is a two wire is the back up light switch part of the NSS. Here's a pick of the part number on the connector I can't find anything online.
Last edited by Isaiah Fred; Aug 6, 2017 at 02:07 PM. Reason: Added pictures
Ford Parts Specialist
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From: Simi Valley, CA
My back up lights on my 1981 F-150 with 302 and C6 do not come on.
I was going to replace the Neutral Safety Switch but when I got it off I noticed it was a two wire connection.
The one the parts store is a four wire set up.
You received the wrong switch. With 4 wires, it's for an AOD
I was going to replace the Neutral Safety Switch but when I got it off I noticed it was a two wire connection.
The one the parts store is a four wire set up.
You received the wrong switch. With 4 wires, it's for an AOD
Look on the Certification Label glued to the left door face below the latch for the TRANS code, post what it is.
Ford Parts Specialist
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From: Simi Valley, CA
TRANS K = C6.
EOTZ-15520-B .. C6 Backup Lamp Switch (Motorcraft SW-1579) / Original switch marked: E0TP-15520-BC / Obsolete ~ Available NOS & auto parts stores.
1980/82 F100/350 & Bronco.
Give the cluck at the auto parts store the Motorcraft part number, it can be crossed over to the brands they sell.
Where in SoCal do you live?
EOTZ-15520-B .. C6 Backup Lamp Switch (Motorcraft SW-1579) / Original switch marked: E0TP-15520-BC / Obsolete ~ Available NOS & auto parts stores.
1980/82 F100/350 & Bronco.
Give the cluck at the auto parts store the Motorcraft part number, it can be crossed over to the brands they sell.
Where in SoCal do you live?
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New User
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From: So-Cal
TRANS K = C6.
EOTZ-15520-B .. C6 Backup Lamp Switch (Motorcraft SW-1579) / Original switch marked: E0TP-15520-BC / Obsolete ~ Available NOS & auto parts stores.
1980/82 F100/350 & Bronco.
Give the cluck at the auto parts store the Motorcraft part number, it can be crossed over to the brands they sell.
Where in SoCal do you live?
EOTZ-15520-B .. C6 Backup Lamp Switch (Motorcraft SW-1579) / Original switch marked: E0TP-15520-BC / Obsolete ~ Available NOS & auto parts stores.
1980/82 F100/350 & Bronco.
Give the cluck at the auto parts store the Motorcraft part number, it can be crossed over to the brands they sell.
Where in SoCal do you live?
Ford Parts Specialist
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From: Simi Valley, CA
I usually recommend that people in the LA area buy their parts from Engler Brothers Auto Parts in Santa Monica, because this is best auto parts store for older vehicles.
But Santa Monica is too far from San Diego.
But Santa Monica is too far from San Diego.
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Ok so I still am wondering the switch on my transmission does it control the back up lights as well because that's he main reason I was going to swap it.
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Post Fiend
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From: Dryden, ON, Canada
On the two wire switch it only controls the reverse lights. I was able to get one from Napa many years ago, but it may not longer be available.
If it will bolt on you could run the 4 wire switch and only wire up the reverse light side of it.
If it will bolt on you could run the 4 wire switch and only wire up the reverse light side of it.
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yes, the backup light switch is mounted to the transmission. It gets its power from the 15A fuse in position #5 (which also powers the Turn Signals). Unplug the connector at the transmission and check to see if you have 12V at the plug. If you have power then jumper across the two terminals in the connector. Then if the lights come on you know the switch is bad, if the backup lights don't come on something else is wrong.
Ford Parts Specialist
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From: Simi Valley, CA
There is no Neutral Safety Switch (NSS) listed for a 1980/82 C4, C5 or C6.
7A247 is the Ford basic part number for the NSS, 15520 is the Ford basic part number for a backup lamp switch.
EOTZ-15520-B .. Backup Lamp Switch (Motorcraft SW-1579) / Marked with ID number: E0TP-15520-BC / 1980/82 F100/350 & Bronco C6
If your original switch is genuine Ford, it will be marked with an ID number.
Cargo Master
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Posting Guru
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From: Orlando area
If the backup switch works, and the problem is just a corroded connector, you can just cutout the connector and hard wire the connection (I would use a solderless crimp connector covered with heat shrink tubing).
Laughing Gas
Joined: Sep 2003
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From: Corbett, Oregon
1980/89 truck parts catalog calls it the backup lamp switch.
There is no Neutral Safety Switch (NSS) listed for a 1980/82 C4, C5 or C6.
7A247 is the Ford basic part number for the NSS, 15520 is the Ford basic part number for a backup lamp switch.
EOTZ-15520-B .. Backup Lamp Switch (Motorcraft SW-1579) / Marked with ID number: E0TP-15520-BC / 1980/82 F100/350 & Bronco C6
If your original switch is genuine Ford, it will be marked with an ID number.
There is no Neutral Safety Switch (NSS) listed for a 1980/82 C4, C5 or C6.
7A247 is the Ford basic part number for the NSS, 15520 is the Ford basic part number for a backup lamp switch.
EOTZ-15520-B .. Backup Lamp Switch (Motorcraft SW-1579) / Marked with ID number: E0TP-15520-BC / 1980/82 F100/350 & Bronco C6
If your original switch is genuine Ford, it will be marked with an ID number.
Don't mean to hijack the OP's thread, but you made a comment that causes me to ask this question.
Do you know what Ford did on a 80-82 with a C4, C5 or C6 since there is no call out for a NSS? Was there a column mounted switch, per the older rigs?
I usually am found of other forums but got talked into helping a friend with a FrankenFord '80 F-150 with a 302 and a C4. Was there a steering column mounted switch, as in the older rigs?
Thanks in advance and I apologize to the OP for the hijack.
Ford Parts Specialist
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From: Simi Valley, CA
Don't mean to hijack the OP's thread, but you made a comment that causes me to ask this question.
Do you know what Ford did on a 80-82 with a C4, C5 or C6 since there is no call out for a NSS? Was there a column mounted switch, per the older rigs?
I usually am found of other forums but got talked into helping a friend with a FrankenFord '80 F-150 with a 302 and a C4. Was there a steering column mounted switch, as in the older rigs?
Do you know what Ford did on a 80-82 with a C4, C5 or C6 since there is no call out for a NSS? Was there a column mounted switch, per the older rigs?
I usually am found of other forums but got talked into helping a friend with a FrankenFord '80 F-150 with a 302 and a C4. Was there a steering column mounted switch, as in the older rigs?
Only 1981/82 F100/150's with AOD have a NSS. 1980/82 C4/C5/C6 do not have a NSS .. only have a backup lamp switch.
EOTZ-15520-A .. Backup Lamp Switch (Motorcraft SW-1578) / Marked: E0TP-15520-AC / Obsolete
1980/82 F100/250 with C4 & C5.
Laughing Gas
Joined: Sep 2003
Posts: 968
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From: Corbett, Oregon
The NSS is located on the transmission beginning in 1978 as is the A/T backup lamp switch beginning in 1980.
Only 1981/82 F100/150's with AOD have a NSS. 1980/82 C4/C5/C6 do not have a NSS .. only have a backup lamp switch.
EOTZ-15520-A .. Backup Lamp Switch (Motorcraft SW-1578) / Marked: E0TP-15520-AC / Obsolete
1980/82 F100/250 with C4 & C5.
Only 1981/82 F100/150's with AOD have a NSS. 1980/82 C4/C5/C6 do not have a NSS .. only have a backup lamp switch.
EOTZ-15520-A .. Backup Lamp Switch (Motorcraft SW-1578) / Marked: E0TP-15520-AC / Obsolete
1980/82 F100/250 with C4 & C5.