PS Magazine - MAY 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 246
MAY 1973
CALLING All aUTOMOTIVE MeCHANiCS!
NOW IS TH± TImE TO
mAKE FRIEnDS WiTH .².
man usually steers clear of a thiOg
he doesn"T understand.
When the first ±S-352B/U multiMeter
switches,
bulbs,
batteries
and
²iring
harnesses in The hope tHat the tRouble
arrives in shop a couple of mechanics
will disappear³
sTand ´ell back· and regard iT witH susµ
¶everal automotive ¸20 ±¹'s give good
picious eyes. ºne dude prods iT witH a
rundowns
on checking out autoMoTive
forked s»ick to see if he can make it snap
back.
¼uT for all its sNake½like leads, beady¾
eyed jacks and bewildering swi¿ches, the
±¶À352B/U is HarmlessÁand mighty useÂ
ful.
As
far
as
you're
concerned
itÃs
nothing
more
than
a
volT-ohm meter
Packed in a rugged boxÄan ingenious deÂ
vice for troubleshooting 28¸volt electrIcal
circuits.
Using it is your beTter way To cure an
ailing
elecÅrical system. ÆT's loCs beTter
52
_±²
,±².
circuits with a less complicated-looking
commercial
type muLtiMeter³ BÇt since
The ±¶-352¼/U, a mili¿ary design job, is
abou¿ ¿he only meTer available iÈ yoÉr
auComoCive
maintenance
organizational
ÊoË
1
and Êo. 2 common tool sets, itÃs
time
to
dispel any Hocus¸pocus beliefs
ThaT keep you from using it.
When making vol¿age, resisTance and
continuity
tesTs
thatÃre
speÌled
out
in
your automotive -20 ±¹'s, rig your ͶÎ
352B/U multImeter like tHIs .ÏÐ
-³
´
f³rst th³´gs µ³rst
BefoRe using ¿he MÉl¿imeteR Make ceR¿Ñin i¿Òs ÓEeÈ cÑlibRÑÔed iÈ ¿he ÌÑs¿
6
ÕoÈÔÖs.
±hen give it a hawk eye ¿o see if i¿'s in ²oRkinG oRDeR× Øike ×׳
u³ s´ ARM CaL18rTIO
Svµnm
(TM3·7±0)
i¶ J·¸
tYPE/
¹fº • »o¼H
-s
.
² u³
B/
3½ UFl¾¿ NÀÁÂ&Ã
"´µ¶
jÄ ÅÆÇt/ÈÉPÊËÌ ÍÎÏÐÑ
R
¸¹º»
¶·c
DÒ ÓÔÕÖ× ØÙ ÚÛ ÜÝ 70
Switches -
Work
freEly wIThouT b±nd±ng
OR scRapiNg.
²esT pROds -³±GhT oN
caBle, Tip fRee Of paiNT
OR aNyTh±Ng thAt may
BE aN ´NsuLaToR.
Jack pluGsµ³ighT On
cablE¶ pROds clEan·
2Þ
U.
dß'
à
á
¼½
4.
âãä cåæ
!rAy ¾
I
çè éêëìíî ïðñ
4¿ÀKÁO<
¸T E¹S±
Ùon't let the many jacK anÚ switch
posiÛÜ ÝÞ 1s Throw you³ AlthougH the ±¶½
352/BU is maßde for testing a wide range
of electrical and electronic circuits, you
can ignore most of them when it c Mes
To dealing with 28-volt Ùà automotive
MeTeR ¸ ¹lAss AºD
po±n»eR
ºo» b¼oKeº½
Po±ºTeR sHoUlD be Res»¾
±ºG oveR »He ze¼o ¿ARKs
A» leF» s±De oF THÀ ÁCAlesÂ
jACk soCKe»s µ Ãpeº
and DÄR»ÅF¼ee½
eÌec¿RicaÌ ciRcuits³ YoÉ cÑÈ MÑke Ñll yoÉR
voltage,
resistance aÈd coÈ¿iÈÉáâ ¿Es¿s
wi¿h onÌy a feã JÑck ÑÈD säi¿ch åosiÔáoÈs³
Which
columÈ
of
Jacks
¿o
ÉsE? Êo
sweat³ WheÈ
testinG
aÈy
ÑÉtomoÔáve
28¸voÌt
circuiT,
Ése
¿he
20000
oHmS
peÂ
Væر çà (left) sideè
éere's The way it's done ³³³
ÃÄ
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