Option Code: 7z1 Horn, High Note

[unit731]

2008 GMC Sierra 4x4 Regular Cab Long Bed.

 

One of the options in the order list was 7Z1 Horn, High Note. It was $20.00. What the heck. I ordered this option.

I don't have a clue what it is other than it is a horn.

 

The salesman never ordered this option and he did not know exactly what it was (or what was different from regular horn). And upon delivery, salesman did blow horn and stated to me that he cannot tell the difference from this optional horn and regular horn. I can't tell the difference in sound either.

 

Granted, this is a very minor issue.

 

But does anyone know what is the standard horn and what is the optional horn, high note?

 

And how can I tell if I did in fact get my $20.00 worth? Where do I look and what do I look for?

 

7Z1

Horn, High Note

[98 Z71 SLT]

Track down the location of your horn

 

Write down the 8-digit GM part number from the horn.

 

Call your local GM parts dept.

 

They can tell, by the part number, if it is an actual high or low note horn assembly.

[unit731]

Track down the location of your horn

 

Write down the 8-digit GM part number from the horn.

 

Call your local GM parts dept.

 

They can tell, by the part number, if it is an actual high or low note horn assembly.

 

 

Very good suggestion. I just took a quick look. I can't find it.

 

Next time I am at dealer, I will ask for Mr. Goodwrench to write the part number down for me.

 

Thanks.

[silversport]

some have reported wimpy single horns...perhaps you have to pay for the dual (what most of us are used to) horns and the high note you paid for gives you that second note for a "normal" sounding horn...good luck,

Bill

[MS3DALE]

some have reported wimpy single horns...perhaps you have to pay for the dual (what most of us are used to) horns and the high note you paid for gives you that second note for a "normal" sounding horn...good luck,

Bill

BINGO!!

Thats excatly what it is,The base model trucks only have the low note horn,Option code "7Z1" adds a high note horn (in addition to the standard low note horn)

[jrrod2004]

some have reported wimpy single horns...perhaps you have to pay for the dual (what most of us are used to) horns and the high note you paid for gives you that second note for a "normal" sounding horn...good luck,

Bill

BINGO!!

Thats excatly what it is,The base model trucks only have the low note horn,Option code "7Z1" adds a high note horn (in addition to the standard low note horn)

 

 

Is that for GMT900s or does it expand to earlier platforms as well?

[MS3DALE]

some have reported wimpy single horns...perhaps you have to pay for the dual (what most of us are used to) horns and the high note you paid for gives you that second note for a "normal" sounding horn...good luck,

Bill

BINGO!!

Thats excatly what it is,The base model trucks only have the low note horn,Option code "7Z1" adds a high note horn (in addition to the standard low note horn)

 

 

Is that for GMT900s or does it expand to earlier platforms as well?

 

 

I know it also applied to the GMT800's ('99-'07) (Our old '04 2500HD parts truck had the "7Z1" option)

Not sure on the GMT400's ('88-'02)