Yes, it is the relay with the many pins.

Mark

Dan N wrote:
> thanks Mark,
>
> is it the big relay in the rear?
>
> dan
>
> On Sat, Oct 22, 2016 at 12:14 PM, vw_van_fan_Mark <madvws@cox.net> wrote:
>
>> Fan speed 3 uses a contact inside of the A/C relay, in the rear.
>>
>> Mark
>>
>>
>> Dan N wrote:
>>
>>> hi all,
>>>
>>> the AC blower fan works only on speed 1,2 and 4 no 3. I change the fan
>>> blower switch but it's still the same. It's a '89 tintop with rear blower
>>> and AC duct.
>>> Could you please what, where to look next..
>>>
>>> many thanks
>>>
>>> dan
>>>
>>>
>