[T2] Electrical problems

[Bob Pratt]

BTW.... The brake light still don't work.

Bob Pratt

> On Jun 22, 2016, at 3:07 PM, JUSTIN SHELLENBERGER (RIT Student) <jxs8908 at rit.edu> wrote:
> 
> Ok, can you pull the front turn signal bulbs and then try the 4-way flasher? As I recall you said the turn signals work, correct? I am thinking that with the front turn signals out of the circuit you will get some response from the rear bulbs.
> 
>> On 22 June 2016 at 14:10, Bob Pratt <ka1dza at verizon.net> wrote:
>> Hi Justin,
>> The '71 rear bulb holder for the brake lights, etc is a single bulb holder on top and blank on the bottom.
>> 
>> Here is a photo....<image1.JPG>
>> Bob Pratt
>> 
>>> On Jun 22, 2016, at 11:21 AM, JUSTIN SHELLENBERGER (RIT Student) <jxs8908 at rit.edu> wrote:
>>> 
>>> Bob, I think the other light in that picture is for the rear fog option. Ignoring the bulb holder on the right side does the left side of the picture look the same? Something like this? Or am I completely off on what the '71 tail light looks like?
>>> 
>>>> On 22 June 2016 at 10:52, Bob Pratt <ka1dza at verizon.net> wrote:
>>>> Hi Justin,
>>>> No I don't have the same rear light housing. It's got one bulb.
>>>> 
>>>> Bob Pratt
>>>> 
>>>>> On Jun 22, 2016, at 10:20 AM, JUSTIN SHELLENBERGER (RIT Student) <jxs8908 at rit.edu> wrote:
>>>>> 
>>>>> Hey Bob,
>>>>> 
>>>>> From what I can recall from doing tail light troubleshooting a few years ago there were a few problems that I ran in to. Firstly, your bus has holders that look like this yes? It looks like your ground connection is riveted to the housing. Have you ensured that this has not come loose and you are getting increased resistance to ground there? Do you have a multimeter? You could pick up a cheapie, but I would recommend a quality unit as wiring issues are going to be a fairly common maintenance item on any electronics of this vintage.
>>>>> 
>>>>> I also would like to point out noalox seems to be an anti-oxidation surface treatment for aluminum, I think all of the connections here should be steel-steel so a regular dielectric grease would have sealed the connections just as well.
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> Justin
>>>>> 
>>>>>> On 21 June 2016 at 19:58, Harris Pat <sammler.permanent at gmail.com> wrote:
>>>>>> Joining this late - hope I'm not repeating.
>>>>>> My 71 has factory wiring which is not 100% correct according to Bentley but has a minor bit shown for 72.
>>>>>> 
>>>>>> Check the number of terminals you SHOULD have on key switch as well as the headlight switch. DPO may have replaced it with
>>>>>> an incorrect one.
>>>>>> 
>>>>>> For easy access you can remove the 4 screws from the instrument panel and disconnect speedometer cable. Panel can be pulled out a bit for access. Will see if I can send a pic.
>>>>>> Good luck,
>>>>>> Pat
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Sent from my iPhone
>>>>>> 
>>>>>> > On Jun 21, 2016, at 18:14, Bob Pratt <ka1dza at verizon.net> wrote:
>>>>>> >
>>>>>> > I have a '71 bus with the two filament bulb. The dimmer side is the taillight. Yup, the taillights work. The turn signal switch is new.
>>>>>> >
>>>>>> > Bob Pratt
>>>>>> >
>>>>>> >> On Jun 21, 2016, at 2:45 PM, dchase2001 <dchase2001 at gmail.com> wrote:
>>>>>> >>
>>>>>> >> I misspoke - it depends on what year you have. My 75 has a separate turn signal light. So the tail and brake work together in a 2 filament bulb. But the turn and 4 way are there own bulb.  Older models had combined tail/brake/turn
>>>>>> >>
>>>>>> >>> On Tue, Jun 21, 2016 at 1:10 PM, dchase2001 <dchase2001 at gmail.com> wrote:
>>>>>> >>> Do the turn signals work in the rear?
>>>>>> >>> My recollection is that the brake, 4-way and turn signal all use the same filament in the bulb - tail uses the other less bright filament.
>>>>>> >>> The brake, turn, 4-way circuit goes thru the turn signal switch.
>>>>>> >>> Assuming you have dual filament bulbs installed.
>>>>>> >>>
>>>>>> >>>> On Mon, Jun 20, 2016 at 3:43 PM, Bob Pratt <ka1dza at verizon.net> wrote:
>>>>>> >>>> Yup, the tail lights work. The indicator light on the flasher works too.
>>>>>> >>>>
>>>>>> >>>> Bob Pratt
>>>>>> >>>>
>>>>>> >>>>> On Jun 20, 2016, at 3:27 PM, Richard Palmer <richard at teamspatula.com> wrote:
>>>>>> >>>>>
>>>>>> >>>>> do the tail lights work? That should help narrow it down...
>>>>>> >>>>>
>>>>>> >>>>>> On Mon, Jun 20, 2016 at 3:25 PM, Bob Pratt <ka1dza at verizon.net> wrote:
>>>>>> >>>>>> Here is an updated list of things I've done to get my bus inspected. I've repeated things for those who have not seen this befor.
>>>>>> >>>>>>
>>>>>> >>>>>> The 4 way flashers only work in the front. I've replaced the bulbs in the rear. I've replaced the 4 way flasher switch. And I've cleaned each ground connection down to bright metal, cleaned the screws on a wire wheel, and applied "Noalox" on all of the electrical connections.
>>>>>> >>>>>>
>>>>>> >>>>>> 2. The brake lights don't work. Along with some the things I did in #1, I bled the master cylinder, and checked the continuity across the pressure switch. I get continuity. I've ordered new switches just in case.
>>>>>> >>>>>>
>>>>>> >>>>>> 3. The oil light on the dash won't work. I've replaced the pressure switch and light bulb on the dash. I don't know how to check the circuit. I know it's one wire from front to back.
>>>>>> >>>>>>
>>>>>> >>>>>> If anyone has a clue, or knows of anyone who had a clue that can help, I'll mention you in my will!!!
>>>>>> >>>>>>
>>>>>> >>>>>> I miss driving Myles and I'm envious of those I see driving their "babies" around the area.
>>>>>> >>>>>>
>>>>>> >>>>>> Thanks in advance for any help.
>>>>>> >>>>>>
>>>>>> >>>>>> Bob Pratt
>>>>>> >>>>>> _______________________________________________
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