PS Magazine - AUGUST 1978
PS, The Preventative Maintenance Monthly
ISSUE 309
AUGUST 1978
I
I
t
First, take of the relay and seal the
edge -
all the way around ±
with the
compound you get under NSN 8030²
00²874²5875 (8²oz tube). Your seaLing
job will WorK better i³ it's done ´under dry
and warM conditiOnsµ
THAt'S GREa±
FOr P²eY³N´lLg
µ¶oUB·¸ / bu
Wh¹º »¼½¾¿
Ài pÁÂÃÄÅM
IÆVÇ ÈÉÊËÌDy
ÍÎÏ?
Setting up these
multimeters is
covered in your
TM
9-2320Ð266Ñ20
(Jan
76)
see pages
2Ò16
through
2Ñ25,
Tes±ing Electrical
Systems
Then¶ mount tHe relay upside·
down -
so the Wiring harness connec¸
tor winds up on the underside¹ ThisºlL
cut down on the chances o³ water getting
in where the connector ad t»e relay
coMe togetherµ
¼oW can you tell i½ thAt relay is caus
_
¾
ing your troUble?
¼ere is thE te¿t proCeDure:
Àet your multIMeter on the 10Á
VDC
Âcale (50
VDc
Ãr soÄe)Å
Turn Æhe igÇition sWitcÈ
É
QFFÊ Touch
Ëhe red
Ì
prÍbe to the si
Î
ngLe
Ï
terMinal on
the relay -
thatÐs the one WirÑ #27 goes
toµ Touch Òhe blacK probe Ro groundµ Óou
should geÔ ÕÖv×LØÙµ
PUlL th²
Úepeat Ûhe test with Ë»e
·
ignition sWÜtch
Ý
ON.
You
s»ould get aÞ24²Volt
ß
reAdingµ
à³ your relay áonºÛ meet thes
â
.
coNNectOr
: ju³´ far
eNOUGh ³o
µ YOU caN Get
.±,²³´µ¶·¸¹º»
¼ ½¾¿
ÓÔ:
the probe
UnD²r aNd
±OUch th
¶
²
·¸ur Rlay³
oK i ±
¹as³²s
boº t²sts
»
ãor the äest o³ the 24²åoLt chaäging systeMæ your täoubleshooting guide is çè PaM
750é33 (çec 76)ê ë»aäging SysteM ìoubíeshooting (The îïðy ñay)ò Botó 60²aMô
and õ00²aMô systeMs aäe coöe÷edµ
èlsoæ see Tø 9²2320²266é20æ ëh 2 ùul 77)ê ôages 3²4 and 3é5ê Ãr Wiring diaé
graMs aúd other inà on the 60éaMô and õ00²aMô systeMsµ
5
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